281583960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3319}}^1$

素因数の和:3441

約数の個数: 128

約数和(自身を含む): 975283200

約数和(自身を除く): 693699240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 202, 210, 280, 303, 404, 420, 505, 606, 707, 808, 840, 1010, 1212, 1414, 1515, 2020, 2121, 2424, 2828, 3030, 3319, 3535, 4040, 4242, 5656, 6060, 6638, 7070, 8484, 9957, 10605, 12120, 13276, 14140, 16595, 16968, 19914, 21210, 23233, 26552, 28280, 33190, 39828, 42420, 46466, 49785, 66380, 69699, 79656, 84840, 92932, 99570, 116165, 132760, 139398, 185864, 199140, 232330, 278796, 335219, 348495, 398280, 464660, 557592, 670438, 696990, 929320, 1005657, 1340876, 1393980, 1676095, 2011314, 2346533, 2681752, 2787960, 3352190, 4022628, 4693066, 5028285, 6704380, 7039599, 8045256, 9386132, 10056570, 11732665, 13408760, 14079198, 18772264, 20113140, 23465330, 28158396, 35197995, 40226280, 46930660, 56316792, 70395990, 93861320, 140791980, 281583960]

約数ペア:

[(1, 281583960), (2, 140791980), (3, 93861320), (4, 70395990), (5, 56316792), (6, 46930660), (7, 40226280), (8, 35197995), (10, 28158396), (12, 23465330), (14, 20113140), (15, 18772264), (20, 14079198), (21, 13408760), (24, 11732665), (28, 10056570), (30, 9386132), (35, 8045256), (40, 7039599), (42, 6704380), (56, 5028285), (60, 4693066), (70, 4022628), (84, 3352190), (101, 2787960), (105, 2681752), (120, 2346533), (140, 2011314), (168, 1676095), (202, 1393980), (210, 1340876), (280, 1005657), (303, 929320), (404, 696990), (420, 670438), (505, 557592), (606, 464660), (707, 398280), (808, 348495), (840, 335219), (1010, 278796), (1212, 232330), (1414, 199140), (1515, 185864), (2020, 139398), (2121, 132760), (2424, 116165), (2828, 99570), (3030, 92932), (3319, 84840), (3535, 79656), (4040, 69699), (4242, 66380), (5656, 49785), (6060, 46466), (6638, 42420), (7070, 39828), (8484, 33190), (9957, 28280), (10605, 26552), (12120, 23233), (13276, 21210), (14140, 19914), (16595, 16968)]