257003640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23029}}^1$

素因数の和:23077

約数の個数: 96

約数和(自身を含む): 862243200

約数和(自身を除く): 605239560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 23029, 46058, 69087, 92116, 115145, 138174, 184232, 207261, 230290, 276348, 345435, 414522, 460580, 552696, 690870, 713899, 829044, 921160, 1036305, 1381740, 1427798, 1658088, 2072610, 2141697, 2763480, 2855596, 3569495, 4145220, 4283394, 5711192, 6425091, 7138990, 8290440, 8566788, 10708485, 12850182, 14277980, 17133576, 21416970, 25700364, 28555960, 32125455, 42833940, 51400728, 64250910, 85667880, 128501820, 257003640]

約数ペア:

[(1, 257003640), (2, 128501820), (3, 85667880), (4, 64250910), (5, 51400728), (6, 42833940), (8, 32125455), (9, 28555960), (10, 25700364), (12, 21416970), (15, 17133576), (18, 14277980), (20, 12850182), (24, 10708485), (30, 8566788), (31, 8290440), (36, 7138990), (40, 6425091), (45, 5711192), (60, 4283394), (62, 4145220), (72, 3569495), (90, 2855596), (93, 2763480), (120, 2141697), (124, 2072610), (155, 1658088), (180, 1427798), (186, 1381740), (248, 1036305), (279, 921160), (310, 829044), (360, 713899), (372, 690870), (465, 552696), (558, 460580), (620, 414522), (744, 345435), (930, 276348), (1116, 230290), (1240, 207261), (1395, 184232), (1860, 138174), (2232, 115145), (2790, 92116), (3720, 69087), (5580, 46058), (11160, 23029)]