80360720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1800

約数の個数: 80

約数和(自身を含む): 207790272

約数和(自身を除く): 127429552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 848, 880, 1060, 1166, 1723, 2120, 2332, 2915, 3446, 4240, 4664, 5830, 6892, 8615, 9328, 11660, 13784, 17230, 18953, 23320, 27568, 34460, 37906, 46640, 68920, 75812, 91319, 94765, 137840, 151624, 182638, 189530, 303248, 365276, 379060, 456595, 730552, 758120, 913190, 1004509, 1461104, 1516240, 1826380, 2009018, 3652760, 4018036, 5022545, 7305520, 8036072, 10045090, 16072144, 20090180, 40180360, 80360720]

約数ペア:

[(1, 80360720), (2, 40180360), (4, 20090180), (5, 16072144), (8, 10045090), (10, 8036072), (11, 7305520), (16, 5022545), (20, 4018036), (22, 3652760), (40, 2009018), (44, 1826380), (53, 1516240), (55, 1461104), (80, 1004509), (88, 913190), (106, 758120), (110, 730552), (176, 456595), (212, 379060), (220, 365276), (265, 303248), (424, 189530), (440, 182638), (530, 151624), (583, 137840), (848, 94765), (880, 91319), (1060, 75812), (1166, 68920), (1723, 46640), (2120, 37906), (2332, 34460), (2915, 27568), (3446, 23320), (4240, 18953), (4664, 17230), (5830, 13784), (6892, 11660), (8615, 9328)]