8720040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{1483}}^1$

素因数の和:1511

約数の個数: 96

約数和(自身を含む): 30451680

約数和(自身を除く): 21731640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1483, 1960, 2940, 2966, 4449, 5880, 5932, 7415, 8898, 10381, 11864, 14830, 17796, 20762, 22245, 29660, 31143, 35592, 41524, 44490, 51905, 59320, 62286, 72667, 83048, 88980, 103810, 124572, 145334, 155715, 177960, 207620, 218001, 249144, 290668, 311430, 363335, 415240, 436002, 581336, 622860, 726670, 872004, 1090005, 1245720, 1453340, 1744008, 2180010, 2906680, 4360020, 8720040]

約数ペア:

[(1, 8720040), (2, 4360020), (3, 2906680), (4, 2180010), (5, 1744008), (6, 1453340), (7, 1245720), (8, 1090005), (10, 872004), (12, 726670), (14, 622860), (15, 581336), (20, 436002), (21, 415240), (24, 363335), (28, 311430), (30, 290668), (35, 249144), (40, 218001), (42, 207620), (49, 177960), (56, 155715), (60, 145334), (70, 124572), (84, 103810), (98, 88980), (105, 83048), (120, 72667), (140, 62286), (147, 59320), (168, 51905), (196, 44490), (210, 41524), (245, 35592), (280, 31143), (294, 29660), (392, 22245), (420, 20762), (490, 17796), (588, 14830), (735, 11864), (840, 10381), (980, 8898), (1176, 7415), (1470, 5932), (1483, 5880), (1960, 4449), (2940, 2966)]