128220240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4993}}^1$

素因数の和:5116

約数の個数: 80

約数和(自身を含む): 401277888

約数和(自身を除く): 273057648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2568, 3210, 4280, 4993, 5136, 6420, 8560, 9986, 12840, 14979, 19972, 24965, 25680, 29958, 39944, 49930, 59916, 74895, 79888, 99860, 119832, 149790, 199720, 239664, 299580, 399440, 534251, 599160, 1068502, 1198320, 1602753, 2137004, 2671255, 3205506, 4274008, 5342510, 6411012, 8013765, 8548016, 10685020, 12822024, 16027530, 21370040, 25644048, 32055060, 42740080, 64110120, 128220240]

約数ペア:

[(1, 128220240), (2, 64110120), (3, 42740080), (4, 32055060), (5, 25644048), (6, 21370040), (8, 16027530), (10, 12822024), (12, 10685020), (15, 8548016), (16, 8013765), (20, 6411012), (24, 5342510), (30, 4274008), (40, 3205506), (48, 2671255), (60, 2137004), (80, 1602753), (107, 1198320), (120, 1068502), (214, 599160), (240, 534251), (321, 399440), (428, 299580), (535, 239664), (642, 199720), (856, 149790), (1070, 119832), (1284, 99860), (1605, 79888), (1712, 74895), (2140, 59916), (2568, 49930), (3210, 39944), (4280, 29958), (4993, 25680), (5136, 24965), (6420, 19972), (8560, 14979), (9986, 12840)]