19698960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 61513920

約数和(自身を除く): 41814960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 389, 422, 633, 778, 844, 1055, 1167, 1266, 1556, 1688, 1945, 2110, 2334, 2532, 3112, 3165, 3376, 3890, 4220, 4668, 5064, 5835, 6224, 6330, 7780, 8440, 9336, 10128, 11670, 12660, 15560, 16880, 18672, 23340, 25320, 31120, 46680, 50640, 82079, 93360, 164158, 246237, 328316, 410395, 492474, 656632, 820790, 984948, 1231185, 1313264, 1641580, 1969896, 2462370, 3283160, 3939792, 4924740, 6566320, 9849480, 19698960]

約数ペア:

[(1, 19698960), (2, 9849480), (3, 6566320), (4, 4924740), (5, 3939792), (6, 3283160), (8, 2462370), (10, 1969896), (12, 1641580), (15, 1313264), (16, 1231185), (20, 984948), (24, 820790), (30, 656632), (40, 492474), (48, 410395), (60, 328316), (80, 246237), (120, 164158), (211, 93360), (240, 82079), (389, 50640), (422, 46680), (633, 31120), (778, 25320), (844, 23340), (1055, 18672), (1167, 16880), (1266, 15560), (1556, 12660), (1688, 11670), (1945, 10128), (2110, 9336), (2334, 8440), (2532, 7780), (3112, 6330), (3165, 6224), (3376, 5835), (3890, 5064), (4220, 4668)]