720433620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{3389}}^1$

素因数の和:4585

約数の個数: 72

約数和(自身を含む): 2187811080

約数和(自身を除く): 1467377460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1181, 2362, 3389, 3543, 4724, 5905, 6778, 7086, 10167, 10629, 11810, 13556, 14172, 16945, 17715, 20334, 21258, 23620, 30501, 33890, 35430, 40668, 42516, 50835, 53145, 61002, 67780, 70860, 101670, 106290, 122004, 152505, 203340, 212580, 305010, 610020, 4002409, 8004818, 12007227, 16009636, 20012045, 24014454, 36021681, 40024090, 48028908, 60036135, 72043362, 80048180, 120072270, 144086724, 180108405, 240144540, 360216810, 720433620]

約数ペア:

[(1, 720433620), (2, 360216810), (3, 240144540), (4, 180108405), (5, 144086724), (6, 120072270), (9, 80048180), (10, 72043362), (12, 60036135), (15, 48028908), (18, 40024090), (20, 36021681), (30, 24014454), (36, 20012045), (45, 16009636), (60, 12007227), (90, 8004818), (180, 4002409), (1181, 610020), (2362, 305010), (3389, 212580), (3543, 203340), (4724, 152505), (5905, 122004), (6778, 106290), (7086, 101670), (10167, 70860), (10629, 67780), (11810, 61002), (13556, 53145), (14172, 50835), (16945, 42516), (17715, 40668), (20334, 35430), (21258, 33890), (23620, 30501)]