29911280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1774

約数の個数: 80

約数和(自身を含む): 82089984

約数和(自身を除く): 52178704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1723, 1736, 2170, 2480, 3446, 3472, 4340, 6892, 8615, 8680, 12061, 13784, 17230, 17360, 24122, 27568, 34460, 48244, 53413, 60305, 68920, 96488, 106826, 120610, 137840, 192976, 213652, 241220, 267065, 373891, 427304, 482440, 534130, 747782, 854608, 964880, 1068260, 1495564, 1869455, 2136520, 2991128, 3738910, 4273040, 5982256, 7477820, 14955640, 29911280]

約数ペア:

[(1, 29911280), (2, 14955640), (4, 7477820), (5, 5982256), (7, 4273040), (8, 3738910), (10, 2991128), (14, 2136520), (16, 1869455), (20, 1495564), (28, 1068260), (31, 964880), (35, 854608), (40, 747782), (56, 534130), (62, 482440), (70, 427304), (80, 373891), (112, 267065), (124, 241220), (140, 213652), (155, 192976), (217, 137840), (248, 120610), (280, 106826), (310, 96488), (434, 68920), (496, 60305), (560, 53413), (620, 48244), (868, 34460), (1085, 27568), (1240, 24122), (1723, 17360), (1736, 17230), (2170, 13784), (2480, 12061), (3446, 8680), (3472, 8615), (4340, 6892)]