21480492540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2887}}^1\times {\mathrm{9539}}^1$

素因数の和:12451

約数の個数: 96

約数和(自身を含む): 64801175040

約数和(自身を除く): 43320682500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2887, 5774, 8661, 9539, 11548, 14435, 17322, 19078, 28617, 28870, 34644, 37531, 38156, 43305, 47695, 57234, 57740, 75062, 86610, 95390, 112593, 114468, 124007, 143085, 150124, 173220, 187655, 190780, 225186, 248014, 286170, 372021, 375310, 450372, 496028, 562965, 572340, 620035, 744042, 750620, 1125930, 1240070, 1488084, 1860105, 2251860, 2480140, 3720210, 7440420, 27539093, 55078186, 82617279, 110156372, 137695465, 165234558, 275390930, 330469116, 358008209, 413086395, 550781860, 716016418, 826172790, 1074024627, 1432032836, 1652345580, 1790041045, 2148049254, 3580082090, 4296098508, 5370123135, 7160164180, 10740246270, 21480492540]

約数ペア:

[(1, 21480492540), (2, 10740246270), (3, 7160164180), (4, 5370123135), (5, 4296098508), (6, 3580082090), (10, 2148049254), (12, 1790041045), (13, 1652345580), (15, 1432032836), (20, 1074024627), (26, 826172790), (30, 716016418), (39, 550781860), (52, 413086395), (60, 358008209), (65, 330469116), (78, 275390930), (130, 165234558), (156, 137695465), (195, 110156372), (260, 82617279), (390, 55078186), (780, 27539093), (2887, 7440420), (5774, 3720210), (8661, 2480140), (9539, 2251860), (11548, 1860105), (14435, 1488084), (17322, 1240070), (19078, 1125930), (28617, 750620), (28870, 744042), (34644, 620035), (37531, 572340), (38156, 562965), (43305, 496028), (47695, 450372), (57234, 375310), (57740, 372021), (75062, 286170), (86610, 248014), (95390, 225186), (112593, 190780), (114468, 187655), (124007, 173220), (143085, 150124)]