219151920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70241}}^1$

素因数の和:70270

約数の個数: 80

約数和(自身を含む): 731640672

約数和(自身を除く): 512488752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 70241, 140482, 210723, 280964, 351205, 421446, 561928, 702410, 842892, 913133, 1053615, 1123856, 1404820, 1685784, 1826266, 2107230, 2739399, 2809640, 3371568, 3652532, 4214460, 4565665, 5478798, 5619280, 7305064, 8428920, 9131330, 10957596, 13696995, 14610128, 16857840, 18262660, 21915192, 27393990, 36525320, 43830384, 54787980, 73050640, 109575960, 219151920]

約数ペア:

[(1, 219151920), (2, 109575960), (3, 73050640), (4, 54787980), (5, 43830384), (6, 36525320), (8, 27393990), (10, 21915192), (12, 18262660), (13, 16857840), (15, 14610128), (16, 13696995), (20, 10957596), (24, 9131330), (26, 8428920), (30, 7305064), (39, 5619280), (40, 5478798), (48, 4565665), (52, 4214460), (60, 3652532), (65, 3371568), (78, 2809640), (80, 2739399), (104, 2107230), (120, 1826266), (130, 1685784), (156, 1404820), (195, 1123856), (208, 1053615), (240, 913133), (260, 842892), (312, 702410), (390, 561928), (520, 421446), (624, 351205), (780, 280964), (1040, 210723), (1560, 140482), (3120, 70241)]