64280340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1973}}^1$

素因数の和:2169

約数の個数: 72

約数和(自身を含む): 196160328

約数和(自身を除く): 131879988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 1973, 2172, 2715, 3258, 3620, 3946, 5430, 5919, 6516, 7892, 8145, 9865, 10860, 11838, 16290, 17757, 19730, 23676, 29595, 32580, 35514, 39460, 59190, 71028, 88785, 118380, 177570, 355140, 357113, 714226, 1071339, 1428452, 1785565, 2142678, 3214017, 3571130, 4285356, 5356695, 6428034, 7142260, 10713390, 12856068, 16070085, 21426780, 32140170, 64280340]

約数ペア:

[(1, 64280340), (2, 32140170), (3, 21426780), (4, 16070085), (5, 12856068), (6, 10713390), (9, 7142260), (10, 6428034), (12, 5356695), (15, 4285356), (18, 3571130), (20, 3214017), (30, 2142678), (36, 1785565), (45, 1428452), (60, 1071339), (90, 714226), (180, 357113), (181, 355140), (362, 177570), (543, 118380), (724, 88785), (905, 71028), (1086, 59190), (1629, 39460), (1810, 35514), (1973, 32580), (2172, 29595), (2715, 23676), (3258, 19730), (3620, 17757), (3946, 16290), (5430, 11838), (5919, 10860), (6516, 9865), (7892, 8145)]