820780740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 288

約数和(自身を含む): 2905943040

約数和(自身を除く): 2085162300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 47, 51, 52, 60, 65, 68, 78, 85, 90, 94, 102, 117, 130, 141, 153, 156, 170, 180, 188, 195, 204, 221, 234, 235, 255, 260, 282, 306, 340, 390, 423, 439, 442, 468, 470, 510, 564, 585, 611, 612, 663, 705, 765, 780, 799, 846, 878, 884, 940, 1020, 1105, 1170, 1222, 1317, 1326, 1410, 1530, 1598, 1692, 1756, 1833, 1989, 2115, 2195, 2210, 2340, 2397, 2444, 2634, 2652, 2820, 3055, 3060, 3196, 3315, 3666, 3951, 3978, 3995, 4230, 4390, 4420, 4794, 5268, 5499, 5707, 6110, 6585, 6630, 7191, 7332, 7463, 7902, 7956, 7990, 8460, 8780, 9165, 9588, 9945, 10387, 10998, 11414, 11985, 12220, 13170, 13260, 14382, 14926, 15804, 15980, 17121, 18330, 19755, 19890, 20633, 20774, 21996, 22389, 22828, 23970, 26340, 27495, 28535, 28764, 29852, 31161, 34242, 35955, 36660, 37315, 39510, 39780, 41266, 41548, 44778, 47940, 51363, 51935, 54990, 57070, 61899, 62322, 67167, 68484, 71910, 74630, 79020, 82532, 85605, 89556, 93483, 97019, 102726, 103165, 103870, 109980, 111945, 114140, 123798, 124644, 134334, 143820, 149260, 155805, 171210, 185697, 186966, 194038, 205452, 206330, 207740, 223890, 247596, 256815, 268229, 268668, 291057, 309495, 311610, 335835, 342420, 350761, 371394, 373932, 388076, 412660, 447780, 467415, 485095, 513630, 536458, 582114, 618990, 623220, 671670, 701522, 742788, 804687, 873171, 928485, 934830, 970190, 1027260, 1052283, 1072916, 1164228, 1237980, 1341145, 1343340, 1403044, 1455285, 1609374, 1746342, 1753805, 1856970, 1869660, 1940380, 2104566, 2414061, 2682290, 2910570, 3156849, 3218748, 3492684, 3507610, 3713940, 4023435, 4209132, 4365855, 4559893, 4828122, 5261415, 5364580, 5821140, 6313698, 7015220, 8046870, 8731710, 9119786, 9656244, 10522830, 12070305, 12627396, 13679679, 15784245, 16093740, 17463420, 18239572, 21045660, 22799465, 24140610, 27359358, 31568490, 41039037, 45598930, 48281220, 54718716, 63136980, 68398395, 82078074, 91197860, 136796790, 164156148, 205195185, 273593580, 410390370, 820780740]

約数ペア:

[(1, 820780740), (2, 410390370), (3, 273593580), (4, 205195185), (5, 164156148), (6, 136796790), (9, 91197860), (10, 82078074), (12, 68398395), (13, 63136980), (15, 54718716), (17, 48281220), (18, 45598930), (20, 41039037), (26, 31568490), (30, 27359358), (34, 24140610), (36, 22799465), (39, 21045660), (45, 18239572), (47, 17463420), (51, 16093740), (52, 15784245), (60, 13679679), (65, 12627396), (68, 12070305), (78, 10522830), (85, 9656244), (90, 9119786), (94, 8731710), (102, 8046870), (117, 7015220), (130, 6313698), (141, 5821140), (153, 5364580), (156, 5261415), (170, 4828122), (180, 4559893), (188, 4365855), (195, 4209132), (204, 4023435), (221, 3713940), (234, 3507610), (235, 3492684), (255, 3218748), (260, 3156849), (282, 2910570), (306, 2682290), (340, 2414061), (390, 2104566), (423, 1940380), (439, 1869660), (442, 1856970), (468, 1753805), (470, 1746342), (510, 1609374), (564, 1455285), (585, 1403044), (611, 1343340), (612, 1341145), (663, 1237980), (705, 1164228), (765, 1072916), (780, 1052283), (799, 1027260), (846, 970190), (878, 934830), (884, 928485), (940, 873171), (1020, 804687), (1105, 742788), (1170, 701522), (1222, 671670), (1317, 623220), (1326, 618990), (1410, 582114), (1530, 536458), (1598, 513630), (1692, 485095), (1756, 467415), (1833, 447780), (1989, 412660), (2115, 388076), (2195, 373932), (2210, 371394), (2340, 350761), (2397, 342420), (2444, 335835), (2634, 311610), (2652, 309495), (2820, 291057), (3055, 268668), (3060, 268229), (3196, 256815), (3315, 247596), (3666, 223890), (3951, 207740), (3978, 206330), (3995, 205452), (4230, 194038), (4390, 186966), (4420, 185697), (4794, 171210), (5268, 155805), (5499, 149260), (5707, 143820), (6110, 134334), (6585, 124644), (6630, 123798), (7191, 114140), (7332, 111945), (7463, 109980), (7902, 103870), (7956, 103165), (7990, 102726), (8460, 97019), (8780, 93483), (9165, 89556), (9588, 85605), (9945, 82532), (10387, 79020), (10998, 74630), (11414, 71910), (11985, 68484), (12220, 67167), (13170, 62322), (13260, 61899), (14382, 57070), (14926, 54990), (15804, 51935), (15980, 51363), (17121, 47940), (18330, 44778), (19755, 41548), (19890, 41266), (20633, 39780), (20774, 39510), (21996, 37315), (22389, 36660), (22828, 35955), (23970, 34242), (26340, 31161), (27495, 29852), (28535, 28764)]