30520140

素因数分解:

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

素因数の和:1516

約数の個数: 96

約数和(自身を含む): 99724800

約数和(自身を除く): 69204660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1483, 1715, 2058, 2940, 2966, 3430, 4116, 4449, 5145, 5932, 6860, 7415, 8898, 10290, 10381, 14830, 17796, 20580, 20762, 22245, 29660, 31143, 41524, 44490, 51905, 62286, 72667, 88980, 103810, 124572, 145334, 155715, 207620, 218001, 290668, 311430, 363335, 436002, 508669, 622860, 726670, 872004, 1017338, 1090005, 1453340, 1526007, 2034676, 2180010, 2543345, 3052014, 4360020, 5086690, 6104028, 7630035, 10173380, 15260070, 30520140]

約数ペア:

[(1, 30520140), (2, 15260070), (3, 10173380), (4, 7630035), (5, 6104028), (6, 5086690), (7, 4360020), (10, 3052014), (12, 2543345), (14, 2180010), (15, 2034676), (20, 1526007), (21, 1453340), (28, 1090005), (30, 1017338), (35, 872004), (42, 726670), (49, 622860), (60, 508669), (70, 436002), (84, 363335), (98, 311430), (105, 290668), (140, 218001), (147, 207620), (196, 155715), (210, 145334), (245, 124572), (294, 103810), (343, 88980), (420, 72667), (490, 62286), (588, 51905), (686, 44490), (735, 41524), (980, 31143), (1029, 29660), (1372, 22245), (1470, 20762), (1483, 20580), (1715, 17796), (2058, 14830), (2940, 10381), (2966, 10290), (3430, 8898), (4116, 7415), (4449, 6860), (5145, 5932)]