31993560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 104766480

約数和(自身を除く): 72772920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 181, 360, 362, 491, 543, 724, 905, 982, 1086, 1448, 1473, 1629, 1810, 1964, 2172, 2455, 2715, 2946, 3258, 3620, 3928, 4344, 4419, 4910, 5430, 5892, 6516, 7240, 7365, 8145, 8838, 9820, 10860, 11784, 13032, 14730, 16290, 17676, 19640, 21720, 22095, 29460, 32580, 35352, 44190, 58920, 65160, 88380, 88871, 176760, 177742, 266613, 355484, 444355, 533226, 710968, 799839, 888710, 1066452, 1333065, 1599678, 1777420, 2132904, 2666130, 3199356, 3554840, 3999195, 5332260, 6398712, 7998390, 10664520, 15996780, 31993560]

約数ペア:

[(1, 31993560), (2, 15996780), (3, 10664520), (4, 7998390), (5, 6398712), (6, 5332260), (8, 3999195), (9, 3554840), (10, 3199356), (12, 2666130), (15, 2132904), (18, 1777420), (20, 1599678), (24, 1333065), (30, 1066452), (36, 888710), (40, 799839), (45, 710968), (60, 533226), (72, 444355), (90, 355484), (120, 266613), (180, 177742), (181, 176760), (360, 88871), (362, 88380), (491, 65160), (543, 58920), (724, 44190), (905, 35352), (982, 32580), (1086, 29460), (1448, 22095), (1473, 21720), (1629, 19640), (1810, 17676), (1964, 16290), (2172, 14730), (2455, 13032), (2715, 11784), (2946, 10860), (3258, 9820), (3620, 8838), (3928, 8145), (4344, 7365), (4419, 7240), (4910, 6516), (5430, 5892)]