661680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{919}}^1$

素因数の和:938

約数の個数: 60

約数和(自身を含む): 2224560

約数和(自身を除く): 1562880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 919, 1838, 2757, 3676, 4595, 5514, 7352, 8271, 9190, 11028, 13785, 14704, 16542, 18380, 22056, 27570, 33084, 36760, 41355, 44112, 55140, 66168, 73520, 82710, 110280, 132336, 165420, 220560, 330840, 661680]

約数ペア:

[(1, 661680), (2, 330840), (3, 220560), (4, 165420), (5, 132336), (6, 110280), (8, 82710), (9, 73520), (10, 66168), (12, 55140), (15, 44112), (16, 41355), (18, 36760), (20, 33084), (24, 27570), (30, 22056), (36, 18380), (40, 16542), (45, 14704), (48, 13785), (60, 11028), (72, 9190), (80, 8271), (90, 7352), (120, 5514), (144, 4595), (180, 3676), (240, 2757), (360, 1838), (720, 919)]