220694580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39551}}^1$

素因数の和:39597

約数の個数: 72

約数和(自身を含む): 691052544

約数和(自身を除く): 470357964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 39551, 79102, 118653, 158204, 197755, 237306, 355959, 395510, 474612, 593265, 711918, 791020, 1186530, 1226081, 1423836, 1779795, 2373060, 2452162, 3559590, 3678243, 4904324, 6130405, 7119180, 7356486, 11034729, 12260810, 14712972, 18391215, 22069458, 24521620, 36782430, 44138916, 55173645, 73564860, 110347290, 220694580]

約数ペア:

[(1, 220694580), (2, 110347290), (3, 73564860), (4, 55173645), (5, 44138916), (6, 36782430), (9, 24521620), (10, 22069458), (12, 18391215), (15, 14712972), (18, 12260810), (20, 11034729), (30, 7356486), (31, 7119180), (36, 6130405), (45, 4904324), (60, 3678243), (62, 3559590), (90, 2452162), (93, 2373060), (124, 1779795), (155, 1423836), (180, 1226081), (186, 1186530), (279, 791020), (310, 711918), (372, 593265), (465, 474612), (558, 395510), (620, 355959), (930, 237306), (1116, 197755), (1395, 158204), (1860, 118653), (2790, 79102), (5580, 39551)]