256388640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{773}}^1$

素因数の和:1482

約数の個数: 96

約数和(自身を含む): 809839296

約数和(自身を除く): 553450656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 691, 773, 1382, 1546, 2073, 2319, 2764, 3092, 3455, 3865, 4146, 4638, 5528, 6184, 6910, 7730, 8292, 9276, 10365, 11056, 11595, 12368, 13820, 15460, 16584, 18552, 20730, 22112, 23190, 24736, 27640, 30920, 33168, 37104, 41460, 46380, 55280, 61840, 66336, 74208, 82920, 92760, 110560, 123680, 165840, 185520, 331680, 371040, 534143, 1068286, 1602429, 2136572, 2670715, 3204858, 4273144, 5341430, 6409716, 8012145, 8546288, 10682860, 12819432, 16024290, 17092576, 21365720, 25638864, 32048580, 42731440, 51277728, 64097160, 85462880, 128194320, 256388640]

約数ペア:

[(1, 256388640), (2, 128194320), (3, 85462880), (4, 64097160), (5, 51277728), (6, 42731440), (8, 32048580), (10, 25638864), (12, 21365720), (15, 17092576), (16, 16024290), (20, 12819432), (24, 10682860), (30, 8546288), (32, 8012145), (40, 6409716), (48, 5341430), (60, 4273144), (80, 3204858), (96, 2670715), (120, 2136572), (160, 1602429), (240, 1068286), (480, 534143), (691, 371040), (773, 331680), (1382, 185520), (1546, 165840), (2073, 123680), (2319, 110560), (2764, 92760), (3092, 82920), (3455, 74208), (3865, 66336), (4146, 61840), (4638, 55280), (5528, 46380), (6184, 41460), (6910, 37104), (7730, 33168), (8292, 30920), (9276, 27640), (10365, 24736), (11056, 23190), (11595, 22112), (12368, 20730), (13820, 18552), (15460, 16584)]