74977840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:675

約数の個数: 120

約数和(自身を含む): 209665152

約数和(自身を除く): 134687312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 617, 620, 784, 868, 980, 1085, 1234, 1240, 1519, 1736, 1960, 2170, 2468, 2480, 3038, 3085, 3472, 3920, 4319, 4340, 4936, 6076, 6170, 7595, 8638, 8680, 9872, 12152, 12340, 15190, 17276, 17360, 19127, 21595, 24304, 24680, 30233, 30380, 34552, 38254, 43190, 49360, 60466, 60760, 69104, 76508, 86380, 95635, 120932, 121520, 133889, 151165, 153016, 172760, 191270, 241864, 267778, 302330, 306032, 345520, 382540, 483728, 535556, 604660, 669445, 765080, 937223, 1071112, 1209320, 1338890, 1530160, 1874446, 2142224, 2418640, 2677780, 3748892, 4686115, 5355560, 7497784, 9372230, 10711120, 14995568, 18744460, 37488920, 74977840]

約数ペア:

[(1, 74977840), (2, 37488920), (4, 18744460), (5, 14995568), (7, 10711120), (8, 9372230), (10, 7497784), (14, 5355560), (16, 4686115), (20, 3748892), (28, 2677780), (31, 2418640), (35, 2142224), (40, 1874446), (49, 1530160), (56, 1338890), (62, 1209320), (70, 1071112), (80, 937223), (98, 765080), (112, 669445), (124, 604660), (140, 535556), (155, 483728), (196, 382540), (217, 345520), (245, 306032), (248, 302330), (280, 267778), (310, 241864), (392, 191270), (434, 172760), (490, 153016), (496, 151165), (560, 133889), (617, 121520), (620, 120932), (784, 95635), (868, 86380), (980, 76508), (1085, 69104), (1234, 60760), (1240, 60466), (1519, 49360), (1736, 43190), (1960, 38254), (2170, 34552), (2468, 30380), (2480, 30233), (3038, 24680), (3085, 24304), (3472, 21595), (3920, 19127), (4319, 17360), (4340, 17276), (4936, 15190), (6076, 12340), (6170, 12152), (7595, 9872), (8638, 8680)]