30475480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3511}}^1$

素因数の和:3560

約数の個数: 64

約数和(自身を含む): 80916480

約数和(自身を除く): 50441000

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, 3511, 4340, 7022, 8680, 14044, 17555, 24577, 28088, 35110, 49154, 70220, 98308, 108841, 122885, 140440, 196616, 217682, 245770, 435364, 491540, 544205, 761887, 870728, 983080, 1088410, 1523774, 2176820, 3047548, 3809435, 4353640, 6095096, 7618870, 15237740, 30475480]

約数ペア:

[(1, 30475480), (2, 15237740), (4, 7618870), (5, 6095096), (7, 4353640), (8, 3809435), (10, 3047548), (14, 2176820), (20, 1523774), (28, 1088410), (31, 983080), (35, 870728), (40, 761887), (56, 544205), (62, 491540), (70, 435364), (124, 245770), (140, 217682), (155, 196616), (217, 140440), (248, 122885), (280, 108841), (310, 98308), (434, 70220), (620, 49154), (868, 35110), (1085, 28088), (1240, 24577), (1736, 17555), (2170, 14044), (3511, 8680), (4340, 7022)]