204427440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:936

約数の個数: 240

約数和(自身を含む): 802234368

約数和(自身を除く): 597806928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 72, 80, 84, 90, 94, 105, 112, 120, 126, 140, 141, 144, 168, 180, 188, 210, 235, 240, 252, 280, 282, 315, 329, 336, 360, 376, 420, 423, 470, 504, 560, 564, 630, 658, 705, 720, 752, 840, 846, 863, 940, 987, 1008, 1128, 1260, 1316, 1410, 1645, 1680, 1692, 1726, 1880, 1974, 2115, 2256, 2520, 2589, 2632, 2820, 2961, 3290, 3384, 3452, 3760, 3948, 4230, 4315, 4935, 5040, 5178, 5264, 5640, 5922, 6041, 6580, 6768, 6904, 7767, 7896, 8460, 8630, 9870, 10356, 11280, 11844, 12082, 12945, 13160, 13808, 14805, 15534, 15792, 16920, 17260, 18123, 19740, 20712, 23688, 24164, 25890, 26320, 29610, 30205, 31068, 33840, 34520, 36246, 38835, 39480, 40561, 41424, 47376, 48328, 51780, 54369, 59220, 60410, 62136, 69040, 72492, 77670, 78960, 81122, 90615, 96656, 103560, 108738, 118440, 120820, 121683, 124272, 144984, 155340, 162244, 181230, 202805, 207120, 217476, 236880, 241640, 243366, 271845, 283927, 289968, 310680, 324488, 362460, 365049, 405610, 434952, 483280, 486732, 543690, 567854, 608415, 621360, 648976, 724920, 730098, 811220, 851781, 869904, 973464, 1087380, 1135708, 1216830, 1419635, 1449840, 1460196, 1622440, 1703562, 1825245, 1946928, 2174760, 2271416, 2433660, 2555343, 2839270, 2920392, 3244880, 3407124, 3650490, 4258905, 4349520, 4542832, 4867320, 5110686, 5678540, 5840784, 6814248, 7300980, 8517810, 9734640, 10221372, 11357080, 12776715, 13628496, 14601960, 17035620, 20442744, 22714160, 25553430, 29203920, 34071240, 40885488, 51106860, 68142480, 102213720, 204427440]

約数ペア:

[(1, 204427440), (2, 102213720), (3, 68142480), (4, 51106860), (5, 40885488), (6, 34071240), (7, 29203920), (8, 25553430), (9, 22714160), (10, 20442744), (12, 17035620), (14, 14601960), (15, 13628496), (16, 12776715), (18, 11357080), (20, 10221372), (21, 9734640), (24, 8517810), (28, 7300980), (30, 6814248), (35, 5840784), (36, 5678540), (40, 5110686), (42, 4867320), (45, 4542832), (47, 4349520), (48, 4258905), (56, 3650490), (60, 3407124), (63, 3244880), (70, 2920392), (72, 2839270), (80, 2555343), (84, 2433660), (90, 2271416), (94, 2174760), (105, 1946928), (112, 1825245), (120, 1703562), (126, 1622440), (140, 1460196), (141, 1449840), (144, 1419635), (168, 1216830), (180, 1135708), (188, 1087380), (210, 973464), (235, 869904), (240, 851781), (252, 811220), (280, 730098), (282, 724920), (315, 648976), (329, 621360), (336, 608415), (360, 567854), (376, 543690), (420, 486732), (423, 483280), (470, 434952), (504, 405610), (560, 365049), (564, 362460), (630, 324488), (658, 310680), (705, 289968), (720, 283927), (752, 271845), (840, 243366), (846, 241640), (863, 236880), (940, 217476), (987, 207120), (1008, 202805), (1128, 181230), (1260, 162244), (1316, 155340), (1410, 144984), (1645, 124272), (1680, 121683), (1692, 120820), (1726, 118440), (1880, 108738), (1974, 103560), (2115, 96656), (2256, 90615), (2520, 81122), (2589, 78960), (2632, 77670), (2820, 72492), (2961, 69040), (3290, 62136), (3384, 60410), (3452, 59220), (3760, 54369), (3948, 51780), (4230, 48328), (4315, 47376), (4935, 41424), (5040, 40561), (5178, 39480), (5264, 38835), (5640, 36246), (5922, 34520), (6041, 33840), (6580, 31068), (6768, 30205), (6904, 29610), (7767, 26320), (7896, 25890), (8460, 24164), (8630, 23688), (9870, 20712), (10356, 19740), (11280, 18123), (11844, 17260), (12082, 16920), (12945, 15792), (13160, 15534), (13808, 14805)]