80421960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2473}}^1$

素因数の和:2758

約数の個数: 64

約数和(自身を含む): 242254080

約数和(自身を除く): 161832120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 1084, 1355, 1626, 2168, 2473, 2710, 3252, 4065, 4946, 5420, 6504, 7419, 8130, 9892, 10840, 12365, 14838, 16260, 19784, 24730, 29676, 32520, 37095, 49460, 59352, 74190, 98920, 148380, 296760, 670183, 1340366, 2010549, 2680732, 3350915, 4021098, 5361464, 6701830, 8042196, 10052745, 13403660, 16084392, 20105490, 26807320, 40210980, 80421960]

約数ペア:

[(1, 80421960), (2, 40210980), (3, 26807320), (4, 20105490), (5, 16084392), (6, 13403660), (8, 10052745), (10, 8042196), (12, 6701830), (15, 5361464), (20, 4021098), (24, 3350915), (30, 2680732), (40, 2010549), (60, 1340366), (120, 670183), (271, 296760), (542, 148380), (813, 98920), (1084, 74190), (1355, 59352), (1626, 49460), (2168, 37095), (2473, 32520), (2710, 29676), (3252, 24730), (4065, 19784), (4946, 16260), (5420, 14838), (6504, 12365), (7419, 10840), (8130, 9892)]