1636180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 96

約数和(自身を含む): 4515840

約数和(自身を除く): 2879660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 31, 35, 52, 58, 62, 65, 70, 91, 116, 124, 130, 140, 145, 155, 182, 203, 217, 260, 290, 310, 364, 377, 403, 406, 434, 455, 580, 620, 754, 806, 812, 868, 899, 910, 1015, 1085, 1508, 1612, 1798, 1820, 1885, 2015, 2030, 2170, 2639, 2821, 3596, 3770, 4030, 4060, 4340, 4495, 5278, 5642, 6293, 7540, 8060, 8990, 10556, 11284, 11687, 12586, 13195, 14105, 17980, 23374, 25172, 26390, 28210, 31465, 46748, 52780, 56420, 58435, 62930, 81809, 116870, 125860, 163618, 233740, 327236, 409045, 818090, 1636180]

約数ペア:

[(1, 1636180), (2, 818090), (4, 409045), (5, 327236), (7, 233740), (10, 163618), (13, 125860), (14, 116870), (20, 81809), (26, 62930), (28, 58435), (29, 56420), (31, 52780), (35, 46748), (52, 31465), (58, 28210), (62, 26390), (65, 25172), (70, 23374), (91, 17980), (116, 14105), (124, 13195), (130, 12586), (140, 11687), (145, 11284), (155, 10556), (182, 8990), (203, 8060), (217, 7540), (260, 6293), (290, 5642), (310, 5278), (364, 4495), (377, 4340), (403, 4060), (406, 4030), (434, 3770), (455, 3596), (580, 2821), (620, 2639), (754, 2170), (806, 2030), (812, 2015), (868, 1885), (899, 1820), (910, 1798), (1015, 1612), (1085, 1508)]