68531580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29287}}^1$

素因数の和:29315

約数の個数: 72

約数和(自身を含む): 223877472

約数和(自身を除く): 155345892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 29287, 58574, 87861, 117148, 146435, 175722, 263583, 292870, 351444, 380731, 439305, 527166, 585740, 761462, 878610, 1054332, 1142193, 1317915, 1522924, 1757220, 1903655, 2284386, 2635830, 3426579, 3807310, 4568772, 5271660, 5710965, 6853158, 7614620, 11421930, 13706316, 17132895, 22843860, 34265790, 68531580]

約数ペア:

[(1, 68531580), (2, 34265790), (3, 22843860), (4, 17132895), (5, 13706316), (6, 11421930), (9, 7614620), (10, 6853158), (12, 5710965), (13, 5271660), (15, 4568772), (18, 3807310), (20, 3426579), (26, 2635830), (30, 2284386), (36, 1903655), (39, 1757220), (45, 1522924), (52, 1317915), (60, 1142193), (65, 1054332), (78, 878610), (90, 761462), (117, 585740), (130, 527166), (156, 439305), (180, 380731), (195, 351444), (234, 292870), (260, 263583), (390, 175722), (468, 146435), (585, 117148), (780, 87861), (1170, 58574), (2340, 29287)]