1285002160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{6469}}^1$

素因数の和:6686

約数の個数: 80

約数和(自身を含む): 3234792960

約数和(自身を除く): 1949790800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 382, 520, 764, 955, 1040, 1528, 1910, 2483, 3056, 3820, 4966, 6469, 7640, 9932, 12415, 12938, 15280, 19864, 24830, 25876, 32345, 39728, 49660, 51752, 64690, 84097, 99320, 103504, 129380, 168194, 198640, 258760, 336388, 420485, 517520, 672776, 840970, 1235579, 1345552, 1681940, 2471158, 3363880, 4942316, 6177895, 6727760, 9884632, 12355790, 16062527, 19769264, 24711580, 32125054, 49423160, 64250108, 80312635, 98846320, 128500216, 160625270, 257000432, 321250540, 642501080, 1285002160]

約数ペア:

[(1, 1285002160), (2, 642501080), (4, 321250540), (5, 257000432), (8, 160625270), (10, 128500216), (13, 98846320), (16, 80312635), (20, 64250108), (26, 49423160), (40, 32125054), (52, 24711580), (65, 19769264), (80, 16062527), (104, 12355790), (130, 9884632), (191, 6727760), (208, 6177895), (260, 4942316), (382, 3363880), (520, 2471158), (764, 1681940), (955, 1345552), (1040, 1235579), (1528, 840970), (1910, 672776), (2483, 517520), (3056, 420485), (3820, 336388), (4966, 258760), (6469, 198640), (7640, 168194), (9932, 129380), (12415, 103504), (12938, 99320), (15280, 84097), (19864, 64690), (24830, 51752), (25876, 49660), (32345, 39728)]