142889460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{653}}^1$

素因数の和:1193

約数の個数: 96

約数和(自身を含む): 458825472

約数和(自身を除く): 315936012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 521, 653, 1042, 1306, 1563, 1959, 2084, 2605, 2612, 3126, 3265, 3647, 3918, 4571, 5210, 6252, 6530, 7294, 7815, 7836, 9142, 9795, 10420, 10941, 13060, 13713, 14588, 15630, 18235, 18284, 19590, 21882, 22855, 27426, 31260, 36470, 39180, 43764, 45710, 54705, 54852, 68565, 72940, 91420, 109410, 137130, 218820, 274260, 340213, 680426, 1020639, 1360852, 1701065, 2041278, 2381491, 3402130, 4082556, 4762982, 5103195, 6804260, 7144473, 9525964, 10206390, 11907455, 14288946, 20412780, 23814910, 28577892, 35722365, 47629820, 71444730, 142889460]

約数ペア:

[(1, 142889460), (2, 71444730), (3, 47629820), (4, 35722365), (5, 28577892), (6, 23814910), (7, 20412780), (10, 14288946), (12, 11907455), (14, 10206390), (15, 9525964), (20, 7144473), (21, 6804260), (28, 5103195), (30, 4762982), (35, 4082556), (42, 3402130), (60, 2381491), (70, 2041278), (84, 1701065), (105, 1360852), (140, 1020639), (210, 680426), (420, 340213), (521, 274260), (653, 218820), (1042, 137130), (1306, 109410), (1563, 91420), (1959, 72940), (2084, 68565), (2605, 54852), (2612, 54705), (3126, 45710), (3265, 43764), (3647, 39180), (3918, 36470), (4571, 31260), (5210, 27426), (6252, 22855), (6530, 21882), (7294, 19590), (7815, 18284), (7836, 18235), (9142, 15630), (9795, 14588), (10420, 13713), (10941, 13060)]