18722629620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{67939}}^1$

素因数の和:69485

約数の個数: 72

約数和(自身を含む): 56829907680

約数和(自身を除く): 38107278060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1531, 3062, 4593, 6124, 7655, 9186, 13779, 15310, 18372, 22965, 27558, 30620, 45930, 55116, 67939, 68895, 91860, 135878, 137790, 203817, 271756, 275580, 339695, 407634, 611451, 679390, 815268, 1019085, 1222902, 1358780, 2038170, 2445804, 3057255, 4076340, 6114510, 12229020, 104014609, 208029218, 312043827, 416058436, 520073045, 624087654, 936131481, 1040146090, 1248175308, 1560219135, 1872262962, 2080292180, 3120438270, 3744525924, 4680657405, 6240876540, 9361314810, 18722629620]

約数ペア:

[(1, 18722629620), (2, 9361314810), (3, 6240876540), (4, 4680657405), (5, 3744525924), (6, 3120438270), (9, 2080292180), (10, 1872262962), (12, 1560219135), (15, 1248175308), (18, 1040146090), (20, 936131481), (30, 624087654), (36, 520073045), (45, 416058436), (60, 312043827), (90, 208029218), (180, 104014609), (1531, 12229020), (3062, 6114510), (4593, 4076340), (6124, 3057255), (7655, 2445804), (9186, 2038170), (13779, 1358780), (15310, 1222902), (18372, 1019085), (22965, 815268), (27558, 679390), (30620, 611451), (45930, 407634), (55116, 339695), (67939, 275580), (68895, 271756), (91860, 203817), (135878, 137790)]