30874760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3557}}^1$

素因数の和:3606

約数の個数: 64

約数和(自身を含む): 81976320

約数和(自身を除く): 51101560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 3557, 4340, 7114, 8680, 14228, 17785, 24899, 28456, 35570, 49798, 71140, 99596, 110267, 124495, 142280, 199192, 220534, 248990, 441068, 497980, 551335, 771869, 882136, 995960, 1102670, 1543738, 2205340, 3087476, 3859345, 4410680, 6174952, 7718690, 15437380, 30874760]

約数ペア:

[(1, 30874760), (2, 15437380), (4, 7718690), (5, 6174952), (7, 4410680), (8, 3859345), (10, 3087476), (14, 2205340), (20, 1543738), (28, 1102670), (31, 995960), (35, 882136), (40, 771869), (56, 551335), (62, 497980), (70, 441068), (124, 248990), (140, 220534), (155, 199192), (217, 142280), (248, 124495), (280, 110267), (310, 99596), (434, 71140), (620, 49798), (868, 35570), (1085, 28456), (1240, 24899), (1736, 17785), (2170, 14228), (3557, 8680), (4340, 7114)]