641122020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:960

約数の個数: 384

約数和(自身を含む): 2635960320

約数和(自身を除く): 1994838300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 27, 28, 30, 33, 34, 35, 36, 42, 44, 45, 51, 54, 55, 60, 63, 66, 68, 70, 77, 84, 85, 90, 99, 102, 105, 108, 110, 119, 126, 132, 135, 140, 153, 154, 165, 170, 180, 187, 189, 198, 204, 210, 220, 231, 238, 252, 255, 270, 297, 306, 308, 315, 330, 340, 357, 374, 378, 385, 396, 420, 459, 462, 476, 495, 510, 540, 561, 594, 595, 612, 630, 660, 693, 714, 748, 756, 765, 770, 907, 918, 924, 935, 945, 990, 1020, 1071, 1122, 1155, 1188, 1190, 1260, 1309, 1386, 1428, 1485, 1530, 1540, 1683, 1785, 1814, 1836, 1870, 1890, 1980, 2079, 2142, 2244, 2295, 2310, 2380, 2618, 2721, 2772, 2805, 2970, 3060, 3213, 3366, 3465, 3570, 3628, 3740, 3780, 3927, 4158, 4284, 4535, 4590, 4620, 5049, 5236, 5355, 5442, 5610, 5940, 6349, 6426, 6545, 6732, 6930, 7140, 7854, 8163, 8316, 8415, 9070, 9180, 9977, 10098, 10395, 10710, 10884, 11220, 11781, 12698, 12852, 13090, 13605, 13860, 15419, 15708, 16065, 16326, 16830, 18140, 19047, 19635, 19954, 20196, 20790, 21420, 23562, 24489, 25245, 25396, 26180, 27210, 29931, 30838, 31745, 32130, 32652, 33660, 35343, 38094, 39270, 39908, 40815, 41580, 46257, 47124, 48978, 49885, 50490, 54420, 57141, 58905, 59862, 61676, 63490, 64260, 69839, 70686, 76188, 77095, 78540, 81630, 89793, 92514, 95235, 97956, 99770, 100980, 107933, 114282, 117810, 119724, 122445, 126980, 138771, 139678, 141372, 149655, 154190, 163260, 169609, 171423, 176715, 179586, 185028, 190470, 199540, 209517, 215866, 228564, 231285, 235620, 244890, 269379, 277542, 279356, 285705, 299310, 308380, 323799, 339218, 342846, 349195, 353430, 359172, 380940, 416313, 419034, 431732, 448965, 462570, 489780, 508827, 538758, 539665, 555084, 571410, 598620, 628551, 647598, 678436, 685692, 693855, 698390, 706860, 832626, 838068, 848045, 857115, 897930, 925140, 971397, 1017654, 1047585, 1077516, 1079330, 1142820, 1187263, 1257102, 1295196, 1346895, 1387710, 1396780, 1526481, 1618995, 1665252, 1696090, 1714230, 1795860, 1885653, 1942794, 2035308, 2081565, 2095170, 2158660, 2374526, 2514204, 2544135, 2693790, 2775420, 2914191, 3052962, 3142755, 3237990, 3392180, 3428460, 3561789, 3771306, 3885588, 4163130, 4190340, 4579443, 4749052, 4856985, 5088270, 5387580, 5828382, 5936315, 6105924, 6285510, 6475980, 7123578, 7542612, 7632405, 8326260, 9158886, 9428265, 9713970, 10176540, 10685367, 11656764, 11872630, 12571020, 14247156, 14570955, 15264810, 17808945, 18317772, 18856530, 19427940, 21370734, 22897215, 23745260, 29141910, 30529620, 32056101, 35617890, 37713060, 42741468, 45794430, 53426835, 58283820, 64112202, 71235780, 91588860, 106853670, 128224404, 160280505, 213707340, 320561010, 641122020]

約数ペア:

[(1, 641122020), (2, 320561010), (3, 213707340), (4, 160280505), (5, 128224404), (6, 106853670), (7, 91588860), (9, 71235780), (10, 64112202), (11, 58283820), (12, 53426835), (14, 45794430), (15, 42741468), (17, 37713060), (18, 35617890), (20, 32056101), (21, 30529620), (22, 29141910), (27, 23745260), (28, 22897215), (30, 21370734), (33, 19427940), (34, 18856530), (35, 18317772), (36, 17808945), (42, 15264810), (44, 14570955), (45, 14247156), (51, 12571020), (54, 11872630), (55, 11656764), (60, 10685367), (63, 10176540), (66, 9713970), (68, 9428265), (70, 9158886), (77, 8326260), (84, 7632405), (85, 7542612), (90, 7123578), (99, 6475980), (102, 6285510), (105, 6105924), (108, 5936315), (110, 5828382), (119, 5387580), (126, 5088270), (132, 4856985), (135, 4749052), (140, 4579443), (153, 4190340), (154, 4163130), (165, 3885588), (170, 3771306), (180, 3561789), (187, 3428460), (189, 3392180), (198, 3237990), (204, 3142755), (210, 3052962), (220, 2914191), (231, 2775420), (238, 2693790), (252, 2544135), (255, 2514204), (270, 2374526), (297, 2158660), (306, 2095170), (308, 2081565), (315, 2035308), (330, 1942794), (340, 1885653), (357, 1795860), (374, 1714230), (378, 1696090), (385, 1665252), (396, 1618995), (420, 1526481), (459, 1396780), (462, 1387710), (476, 1346895), (495, 1295196), (510, 1257102), (540, 1187263), (561, 1142820), (594, 1079330), (595, 1077516), (612, 1047585), (630, 1017654), (660, 971397), (693, 925140), (714, 897930), (748, 857115), (756, 848045), (765, 838068), (770, 832626), (907, 706860), (918, 698390), (924, 693855), (935, 685692), (945, 678436), (990, 647598), (1020, 628551), (1071, 598620), (1122, 571410), (1155, 555084), (1188, 539665), (1190, 538758), (1260, 508827), (1309, 489780), (1386, 462570), (1428, 448965), (1485, 431732), (1530, 419034), (1540, 416313), (1683, 380940), (1785, 359172), (1814, 353430), (1836, 349195), (1870, 342846), (1890, 339218), (1980, 323799), (2079, 308380), (2142, 299310), (2244, 285705), (2295, 279356), (2310, 277542), (2380, 269379), (2618, 244890), (2721, 235620), (2772, 231285), (2805, 228564), (2970, 215866), (3060, 209517), (3213, 199540), (3366, 190470), (3465, 185028), (3570, 179586), (3628, 176715), (3740, 171423), (3780, 169609), (3927, 163260), (4158, 154190), (4284, 149655), (4535, 141372), (4590, 139678), (4620, 138771), (5049, 126980), (5236, 122445), (5355, 119724), (5442, 117810), (5610, 114282), (5940, 107933), (6349, 100980), (6426, 99770), (6545, 97956), (6732, 95235), (6930, 92514), (7140, 89793), (7854, 81630), (8163, 78540), (8316, 77095), (8415, 76188), (9070, 70686), (9180, 69839), (9977, 64260), (10098, 63490), (10395, 61676), (10710, 59862), (10884, 58905), (11220, 57141), (11781, 54420), (12698, 50490), (12852, 49885), (13090, 48978), (13605, 47124), (13860, 46257), (15419, 41580), (15708, 40815), (16065, 39908), (16326, 39270), (16830, 38094), (18140, 35343), (19047, 33660), (19635, 32652), (19954, 32130), (20196, 31745), (20790, 30838), (21420, 29931), (23562, 27210), (24489, 26180), (25245, 25396)]