61980660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:907

約数の個数: 192

約数和(自身を含む): 232243200

約数和(自身を除く): 170262540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 863, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1726, 1890, 1995, 2052, 2394, 2565, 2589, 2660, 3420, 3452, 3591, 3780, 3990, 4315, 4788, 5130, 5178, 5985, 6041, 7182, 7767, 7980, 8630, 10260, 10356, 11970, 12082, 12945, 14364, 15534, 16397, 17260, 17955, 18123, 23301, 23940, 24164, 25890, 30205, 31068, 32794, 35910, 36246, 38835, 46602, 49191, 51780, 54369, 60410, 65588, 71820, 72492, 77670, 81985, 90615, 93204, 98382, 108738, 114779, 116505, 120820, 147573, 155340, 163107, 163970, 181230, 196764, 217476, 229558, 233010, 245955, 271845, 295146, 326214, 327940, 344337, 362460, 442719, 459116, 466020, 491910, 543690, 573895, 590292, 652428, 688674, 737865, 815535, 885438, 983820, 1033011, 1087380, 1147790, 1377348, 1475730, 1631070, 1721685, 1770876, 2066022, 2213595, 2295580, 2951460, 3099033, 3262140, 3443370, 4132044, 4427190, 5165055, 6198066, 6886740, 8854380, 10330110, 12396132, 15495165, 20660220, 30990330, 61980660]

約数ペア:

[(1, 61980660), (2, 30990330), (3, 20660220), (4, 15495165), (5, 12396132), (6, 10330110), (7, 8854380), (9, 6886740), (10, 6198066), (12, 5165055), (14, 4427190), (15, 4132044), (18, 3443370), (19, 3262140), (20, 3099033), (21, 2951460), (27, 2295580), (28, 2213595), (30, 2066022), (35, 1770876), (36, 1721685), (38, 1631070), (42, 1475730), (45, 1377348), (54, 1147790), (57, 1087380), (60, 1033011), (63, 983820), (70, 885438), (76, 815535), (84, 737865), (90, 688674), (95, 652428), (105, 590292), (108, 573895), (114, 543690), (126, 491910), (133, 466020), (135, 459116), (140, 442719), (171, 362460), (180, 344337), (189, 327940), (190, 326214), (210, 295146), (228, 271845), (252, 245955), (266, 233010), (270, 229558), (285, 217476), (315, 196764), (342, 181230), (378, 163970), (380, 163107), (399, 155340), (420, 147573), (513, 120820), (532, 116505), (540, 114779), (570, 108738), (630, 98382), (665, 93204), (684, 90615), (756, 81985), (798, 77670), (855, 72492), (863, 71820), (945, 65588), (1026, 60410), (1140, 54369), (1197, 51780), (1260, 49191), (1330, 46602), (1596, 38835), (1710, 36246), (1726, 35910), (1890, 32794), (1995, 31068), (2052, 30205), (2394, 25890), (2565, 24164), (2589, 23940), (2660, 23301), (3420, 18123), (3452, 17955), (3591, 17260), (3780, 16397), (3990, 15534), (4315, 14364), (4788, 12945), (5130, 12082), (5178, 11970), (5985, 10356), (6041, 10260), (7182, 8630), (7767, 7980)]