72640680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86477}}^1$

素因数の和:86498

約数の個数: 64

約数和(自身を含む): 249056640

約数和(自身を除く): 176415960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86477, 172954, 259431, 345908, 432385, 518862, 605339, 691816, 864770, 1037724, 1210678, 1297155, 1729540, 1816017, 2075448, 2421356, 2594310, 3026695, 3459080, 3632034, 4842712, 5188620, 6053390, 7264068, 9080085, 10377240, 12106780, 14528136, 18160170, 24213560, 36320340, 72640680]

約数ペア:

[(1, 72640680), (2, 36320340), (3, 24213560), (4, 18160170), (5, 14528136), (6, 12106780), (7, 10377240), (8, 9080085), (10, 7264068), (12, 6053390), (14, 5188620), (15, 4842712), (20, 3632034), (21, 3459080), (24, 3026695), (28, 2594310), (30, 2421356), (35, 2075448), (40, 1816017), (42, 1729540), (56, 1297155), (60, 1210678), (70, 1037724), (84, 864770), (105, 691816), (120, 605339), (140, 518862), (168, 432385), (210, 345908), (280, 259431), (420, 172954), (840, 86477)]