8728740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 26889408

約数和(自身を除く): 18160668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 683, 710, 852, 1065, 1278, 1366, 1420, 2049, 2130, 2556, 2732, 3195, 3415, 4098, 4260, 6147, 6390, 6830, 8196, 10245, 12294, 12780, 13660, 20490, 24588, 30735, 40980, 48493, 61470, 96986, 122940, 145479, 193972, 242465, 290958, 436437, 484930, 581916, 727395, 872874, 969860, 1454790, 1745748, 2182185, 2909580, 4364370, 8728740]

約数ペア:

[(1, 8728740), (2, 4364370), (3, 2909580), (4, 2182185), (5, 1745748), (6, 1454790), (9, 969860), (10, 872874), (12, 727395), (15, 581916), (18, 484930), (20, 436437), (30, 290958), (36, 242465), (45, 193972), (60, 145479), (71, 122940), (90, 96986), (142, 61470), (180, 48493), (213, 40980), (284, 30735), (355, 24588), (426, 20490), (639, 13660), (683, 12780), (710, 12294), (852, 10245), (1065, 8196), (1278, 6830), (1366, 6390), (1420, 6147), (2049, 4260), (2130, 4098), (2556, 3415), (2732, 3195)]