668396820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:447

約数の個数: 384

約数和(自身を含む): 2574028800

約数和(自身を除く): 1905631980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 19, 20, 21, 26, 28, 30, 34, 35, 38, 39, 42, 51, 52, 57, 60, 65, 68, 70, 76, 78, 84, 85, 91, 95, 102, 105, 114, 119, 130, 133, 140, 156, 170, 182, 190, 195, 204, 210, 221, 228, 238, 247, 255, 260, 266, 273, 285, 323, 340, 357, 364, 379, 380, 390, 399, 420, 442, 455, 476, 494, 510, 532, 546, 570, 595, 646, 663, 665, 714, 741, 758, 780, 798, 884, 910, 969, 988, 1020, 1092, 1105, 1137, 1140, 1190, 1235, 1292, 1326, 1330, 1365, 1428, 1482, 1516, 1547, 1596, 1615, 1729, 1785, 1820, 1895, 1938, 1995, 2210, 2261, 2274, 2380, 2470, 2652, 2653, 2660, 2730, 2964, 3094, 3230, 3315, 3458, 3570, 3705, 3790, 3876, 3990, 4199, 4420, 4522, 4548, 4641, 4845, 4927, 4940, 5187, 5306, 5460, 5685, 6188, 6443, 6460, 6630, 6783, 6916, 7140, 7201, 7410, 7580, 7735, 7959, 7980, 8398, 8645, 9044, 9282, 9690, 9854, 10374, 10612, 11305, 11370, 12597, 12886, 13260, 13265, 13566, 14402, 14781, 14820, 15470, 15918, 16796, 17290, 18564, 19329, 19380, 19708, 20748, 20995, 21603, 22610, 22740, 23205, 24635, 25194, 25772, 25935, 26530, 27132, 28804, 29393, 29562, 30940, 31836, 32215, 33915, 34489, 34580, 36005, 38658, 39795, 41990, 43206, 45101, 45220, 46410, 49270, 50388, 50407, 51870, 53060, 58786, 59124, 62985, 64430, 67830, 68978, 72010, 73905, 77316, 79590, 83759, 83980, 86412, 88179, 90202, 92820, 93613, 96645, 98540, 100814, 103467, 103740, 108015, 117572, 122417, 125970, 128860, 135303, 135660, 137956, 144020, 146965, 147810, 151221, 159180, 167518, 172445, 176358, 180404, 187226, 193290, 201628, 206934, 216030, 225505, 244834, 251277, 251940, 252035, 270606, 280839, 293930, 295620, 302442, 335036, 344890, 352716, 367251, 374452, 386580, 413868, 418795, 432060, 440895, 451010, 468065, 489668, 502554, 504070, 517335, 541212, 561678, 586313, 587860, 604884, 612085, 655291, 676515, 689780, 734502, 756105, 837590, 856919, 881790, 902020, 936130, 1005108, 1008140, 1034670, 1123356, 1172626, 1224170, 1256385, 1310582, 1353030, 1404195, 1469004, 1512210, 1591421, 1675180, 1713838, 1758939, 1763580, 1836255, 1872260, 1965873, 2069340, 2345252, 2448340, 2512770, 2570757, 2621164, 2706060, 2808390, 2931565, 3024420, 3182842, 3276455, 3427676, 3517878, 3672510, 3931746, 4284595, 4774263, 5025540, 5141514, 5616780, 5863130, 6365684, 6552910, 7035756, 7345020, 7863492, 7957105, 8569190, 8794695, 9548526, 9829365, 10283028, 11139947, 11726260, 12853785, 13105820, 15914210, 17138380, 17589390, 19097052, 19658730, 22279894, 23871315, 25707570, 31828420, 33419841, 35178780, 39317460, 44559788, 47742630, 51415140, 55699735, 66839682, 95485260, 111399470, 133679364, 167099205, 222798940, 334198410, 668396820]

約数ペア:

[(1, 668396820), (2, 334198410), (3, 222798940), (4, 167099205), (5, 133679364), (6, 111399470), (7, 95485260), (10, 66839682), (12, 55699735), (13, 51415140), (14, 47742630), (15, 44559788), (17, 39317460), (19, 35178780), (20, 33419841), (21, 31828420), (26, 25707570), (28, 23871315), (30, 22279894), (34, 19658730), (35, 19097052), (38, 17589390), (39, 17138380), (42, 15914210), (51, 13105820), (52, 12853785), (57, 11726260), (60, 11139947), (65, 10283028), (68, 9829365), (70, 9548526), (76, 8794695), (78, 8569190), (84, 7957105), (85, 7863492), (91, 7345020), (95, 7035756), (102, 6552910), (105, 6365684), (114, 5863130), (119, 5616780), (130, 5141514), (133, 5025540), (140, 4774263), (156, 4284595), (170, 3931746), (182, 3672510), (190, 3517878), (195, 3427676), (204, 3276455), (210, 3182842), (221, 3024420), (228, 2931565), (238, 2808390), (247, 2706060), (255, 2621164), (260, 2570757), (266, 2512770), (273, 2448340), (285, 2345252), (323, 2069340), (340, 1965873), (357, 1872260), (364, 1836255), (379, 1763580), (380, 1758939), (390, 1713838), (399, 1675180), (420, 1591421), (442, 1512210), (455, 1469004), (476, 1404195), (494, 1353030), (510, 1310582), (532, 1256385), (546, 1224170), (570, 1172626), (595, 1123356), (646, 1034670), (663, 1008140), (665, 1005108), (714, 936130), (741, 902020), (758, 881790), (780, 856919), (798, 837590), (884, 756105), (910, 734502), (969, 689780), (988, 676515), (1020, 655291), (1092, 612085), (1105, 604884), (1137, 587860), (1140, 586313), (1190, 561678), (1235, 541212), (1292, 517335), (1326, 504070), (1330, 502554), (1365, 489668), (1428, 468065), (1482, 451010), (1516, 440895), (1547, 432060), (1596, 418795), (1615, 413868), (1729, 386580), (1785, 374452), (1820, 367251), (1895, 352716), (1938, 344890), (1995, 335036), (2210, 302442), (2261, 295620), (2274, 293930), (2380, 280839), (2470, 270606), (2652, 252035), (2653, 251940), (2660, 251277), (2730, 244834), (2964, 225505), (3094, 216030), (3230, 206934), (3315, 201628), (3458, 193290), (3570, 187226), (3705, 180404), (3790, 176358), (3876, 172445), (3990, 167518), (4199, 159180), (4420, 151221), (4522, 147810), (4548, 146965), (4641, 144020), (4845, 137956), (4927, 135660), (4940, 135303), (5187, 128860), (5306, 125970), (5460, 122417), (5685, 117572), (6188, 108015), (6443, 103740), (6460, 103467), (6630, 100814), (6783, 98540), (6916, 96645), (7140, 93613), (7201, 92820), (7410, 90202), (7580, 88179), (7735, 86412), (7959, 83980), (7980, 83759), (8398, 79590), (8645, 77316), (9044, 73905), (9282, 72010), (9690, 68978), (9854, 67830), (10374, 64430), (10612, 62985), (11305, 59124), (11370, 58786), (12597, 53060), (12886, 51870), (13260, 50407), (13265, 50388), (13566, 49270), (14402, 46410), (14781, 45220), (14820, 45101), (15470, 43206), (15918, 41990), (16796, 39795), (17290, 38658), (18564, 36005), (19329, 34580), (19380, 34489), (19708, 33915), (20748, 32215), (20995, 31836), (21603, 30940), (22610, 29562), (22740, 29393), (23205, 28804), (24635, 27132), (25194, 26530), (25772, 25935)]