123513660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{76243}}^1$

素因数の和:76264

約数の個数: 60

約数和(自身を含む): 387472008

約数和(自身を除く): 263958348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 76243, 152486, 228729, 304972, 381215, 457458, 686187, 762430, 914916, 1143645, 1372374, 1524860, 2058561, 2287290, 2744748, 3430935, 4117122, 4574580, 6175683, 6861870, 8234244, 10292805, 12351366, 13723740, 20585610, 24702732, 30878415, 41171220, 61756830, 123513660]

約数ペア:

[(1, 123513660), (2, 61756830), (3, 41171220), (4, 30878415), (5, 24702732), (6, 20585610), (9, 13723740), (10, 12351366), (12, 10292805), (15, 8234244), (18, 6861870), (20, 6175683), (27, 4574580), (30, 4117122), (36, 3430935), (45, 2744748), (54, 2287290), (60, 2058561), (81, 1524860), (90, 1372374), (108, 1143645), (135, 914916), (162, 762430), (180, 686187), (270, 457458), (324, 381215), (405, 304972), (540, 228729), (810, 152486), (1620, 76243)]