212745780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90917}}^1$

素因数の和:90945

約数の個数: 72

約数和(自身を含む): 694977192

約数和(自身を除く): 482231412

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, 90917, 181834, 272751, 363668, 454585, 545502, 818253, 909170, 1091004, 1181921, 1363755, 1636506, 1818340, 2363842, 2727510, 3273012, 3545763, 4091265, 4727684, 5455020, 5909605, 7091526, 8182530, 10637289, 11819210, 14183052, 16365060, 17728815, 21274578, 23638420, 35457630, 42549156, 53186445, 70915260, 106372890, 212745780]

約数ペア:

[(1, 212745780), (2, 106372890), (3, 70915260), (4, 53186445), (5, 42549156), (6, 35457630), (9, 23638420), (10, 21274578), (12, 17728815), (13, 16365060), (15, 14183052), (18, 11819210), (20, 10637289), (26, 8182530), (30, 7091526), (36, 5909605), (39, 5455020), (45, 4727684), (52, 4091265), (60, 3545763), (65, 3273012), (78, 2727510), (90, 2363842), (117, 1818340), (130, 1636506), (156, 1363755), (180, 1181921), (195, 1091004), (234, 909170), (260, 818253), (390, 545502), (468, 454585), (585, 363668), (780, 272751), (1170, 181834), (2340, 90917)]