78556380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{521}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 252564480

約数和(自身を除く): 174008100

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, 359, 420, 521, 718, 1042, 1077, 1436, 1563, 1795, 2084, 2154, 2513, 2605, 3126, 3590, 3647, 4308, 5026, 5210, 5385, 6252, 7180, 7294, 7539, 7815, 10052, 10420, 10770, 10941, 12565, 14588, 15078, 15630, 18235, 21540, 21882, 25130, 30156, 31260, 36470, 37695, 43764, 50260, 54705, 72940, 75390, 109410, 150780, 187039, 218820, 374078, 561117, 748156, 935195, 1122234, 1309273, 1870390, 2244468, 2618546, 2805585, 3740780, 3927819, 5237092, 5611170, 6546365, 7855638, 11222340, 13092730, 15711276, 19639095, 26185460, 39278190, 78556380]

約数ペア:

[(1, 78556380), (2, 39278190), (3, 26185460), (4, 19639095), (5, 15711276), (6, 13092730), (7, 11222340), (10, 7855638), (12, 6546365), (14, 5611170), (15, 5237092), (20, 3927819), (21, 3740780), (28, 2805585), (30, 2618546), (35, 2244468), (42, 1870390), (60, 1309273), (70, 1122234), (84, 935195), (105, 748156), (140, 561117), (210, 374078), (359, 218820), (420, 187039), (521, 150780), (718, 109410), (1042, 75390), (1077, 72940), (1436, 54705), (1563, 50260), (1795, 43764), (2084, 37695), (2154, 36470), (2513, 31260), (2605, 30156), (3126, 25130), (3590, 21882), (3647, 21540), (4308, 18235), (5026, 15630), (5210, 15078), (5385, 14588), (6252, 12565), (7180, 10941), (7294, 10770), (7539, 10420), (7815, 10052)]