180571280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4283}}^1$

素因数の和:4344

約数の個数: 80

約数和(自身を含む): 458970624

約数和(自身を除く): 278399344

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 4283, 5270, 8432, 8566, 10540, 17132, 21080, 21415, 34264, 42160, 42830, 68528, 72811, 85660, 132773, 145622, 171320, 265546, 291244, 342640, 364055, 531092, 582488, 663865, 728110, 1062184, 1164976, 1327730, 1456220, 2124368, 2257141, 2655460, 2912440, 4514282, 5310920, 5824880, 9028564, 10621840, 11285705, 18057128, 22571410, 36114256, 45142820, 90285640, 180571280]

約数ペア:

[(1, 180571280), (2, 90285640), (4, 45142820), (5, 36114256), (8, 22571410), (10, 18057128), (16, 11285705), (17, 10621840), (20, 9028564), (31, 5824880), (34, 5310920), (40, 4514282), (62, 2912440), (68, 2655460), (80, 2257141), (85, 2124368), (124, 1456220), (136, 1327730), (155, 1164976), (170, 1062184), (248, 728110), (272, 663865), (310, 582488), (340, 531092), (496, 364055), (527, 342640), (620, 291244), (680, 265546), (1054, 171320), (1240, 145622), (1360, 132773), (2108, 85660), (2480, 72811), (2635, 68528), (4216, 42830), (4283, 42160), (5270, 34264), (8432, 21415), (8566, 21080), (10540, 17132)]