661735620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:675

約数の個数: 288

約数和(自身を含む): 2509678080

約数和(自身を除く): 1847942460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 71, 78, 84, 90, 91, 105, 117, 126, 130, 140, 142, 156, 180, 182, 195, 210, 213, 234, 252, 260, 273, 284, 315, 355, 364, 390, 420, 426, 455, 468, 497, 546, 569, 585, 630, 639, 710, 780, 819, 852, 910, 923, 994, 1065, 1092, 1138, 1170, 1260, 1278, 1365, 1420, 1491, 1638, 1707, 1820, 1846, 1988, 2130, 2276, 2340, 2485, 2556, 2730, 2769, 2845, 2982, 3195, 3276, 3414, 3692, 3983, 4095, 4260, 4473, 4615, 4970, 5121, 5460, 5538, 5690, 5964, 6390, 6461, 6828, 7397, 7455, 7966, 8190, 8307, 8535, 8946, 9230, 9940, 10242, 11076, 11380, 11949, 12780, 12922, 13845, 14794, 14910, 15932, 16380, 16614, 17070, 17892, 18460, 19383, 19915, 20484, 22191, 22365, 23898, 25605, 25844, 27690, 29588, 29820, 32305, 33228, 34140, 35847, 36985, 38766, 39830, 40399, 41535, 44382, 44730, 47796, 51210, 51779, 55380, 58149, 59745, 64610, 66573, 71694, 73970, 77532, 79660, 80798, 83070, 88764, 89460, 96915, 102420, 103558, 110955, 116298, 119490, 121197, 129220, 133146, 143388, 147940, 155337, 161596, 166140, 179235, 193830, 201995, 207116, 221910, 232596, 238980, 242394, 258895, 266292, 282793, 290745, 310674, 332865, 358470, 363591, 387660, 403990, 443820, 466011, 484788, 517790, 525187, 565586, 581490, 605985, 621348, 665730, 716940, 727182, 776685, 807980, 848379, 932022, 1035580, 1050374, 1131172, 1162980, 1211970, 1331460, 1413965, 1454364, 1553370, 1575561, 1696758, 1817955, 1864044, 2100748, 2330055, 2423940, 2545137, 2625935, 2827930, 3106740, 3151122, 3393516, 3635910, 3676309, 4241895, 4660110, 4726683, 5090274, 5251870, 5655860, 6302244, 7271820, 7352618, 7877805, 8483790, 9320220, 9453366, 10180548, 10503740, 11028927, 12725685, 14705236, 15755610, 16967580, 18381545, 18906732, 22057854, 23633415, 25451370, 31511220, 33086781, 36763090, 44115708, 47266830, 50902740, 55144635, 66173562, 73526180, 94533660, 110289270, 132347124, 165433905, 220578540, 330867810, 661735620]

約数ペア:

[(1, 661735620), (2, 330867810), (3, 220578540), (4, 165433905), (5, 132347124), (6, 110289270), (7, 94533660), (9, 73526180), (10, 66173562), (12, 55144635), (13, 50902740), (14, 47266830), (15, 44115708), (18, 36763090), (20, 33086781), (21, 31511220), (26, 25451370), (28, 23633415), (30, 22057854), (35, 18906732), (36, 18381545), (39, 16967580), (42, 15755610), (45, 14705236), (52, 12725685), (60, 11028927), (63, 10503740), (65, 10180548), (70, 9453366), (71, 9320220), (78, 8483790), (84, 7877805), (90, 7352618), (91, 7271820), (105, 6302244), (117, 5655860), (126, 5251870), (130, 5090274), (140, 4726683), (142, 4660110), (156, 4241895), (180, 3676309), (182, 3635910), (195, 3393516), (210, 3151122), (213, 3106740), (234, 2827930), (252, 2625935), (260, 2545137), (273, 2423940), (284, 2330055), (315, 2100748), (355, 1864044), (364, 1817955), (390, 1696758), (420, 1575561), (426, 1553370), (455, 1454364), (468, 1413965), (497, 1331460), (546, 1211970), (569, 1162980), (585, 1131172), (630, 1050374), (639, 1035580), (710, 932022), (780, 848379), (819, 807980), (852, 776685), (910, 727182), (923, 716940), (994, 665730), (1065, 621348), (1092, 605985), (1138, 581490), (1170, 565586), (1260, 525187), (1278, 517790), (1365, 484788), (1420, 466011), (1491, 443820), (1638, 403990), (1707, 387660), (1820, 363591), (1846, 358470), (1988, 332865), (2130, 310674), (2276, 290745), (2340, 282793), (2485, 266292), (2556, 258895), (2730, 242394), (2769, 238980), (2845, 232596), (2982, 221910), (3195, 207116), (3276, 201995), (3414, 193830), (3692, 179235), (3983, 166140), (4095, 161596), (4260, 155337), (4473, 147940), (4615, 143388), (4970, 133146), (5121, 129220), (5460, 121197), (5538, 119490), (5690, 116298), (5964, 110955), (6390, 103558), (6461, 102420), (6828, 96915), (7397, 89460), (7455, 88764), (7966, 83070), (8190, 80798), (8307, 79660), (8535, 77532), (8946, 73970), (9230, 71694), (9940, 66573), (10242, 64610), (11076, 59745), (11380, 58149), (11949, 55380), (12780, 51779), (12922, 51210), (13845, 47796), (14794, 44730), (14910, 44382), (15932, 41535), (16380, 40399), (16614, 39830), (17070, 38766), (17892, 36985), (18460, 35847), (19383, 34140), (19915, 33228), (20484, 32305), (22191, 29820), (22365, 29588), (23898, 27690), (25605, 25844)]