258491640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6317}}^1$

素因数の和:6373

約数の個数: 128

約数和(自身を含む): 873400320

約数和(自身を除く): 614908680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4092, 5115, 6317, 6820, 8184, 10230, 12634, 13640, 18951, 20460, 25268, 31585, 37902, 40920, 50536, 63170, 69487, 75804, 94755, 126340, 138974, 151608, 189510, 195827, 208461, 252680, 277948, 347435, 379020, 391654, 416922, 555896, 587481, 694870, 758040, 783308, 833844, 979135, 1042305, 1174962, 1389740, 1566616, 1667688, 1958270, 2084610, 2154097, 2349924, 2779480, 2937405, 3916540, 4169220, 4308194, 4699848, 5874810, 6462291, 7833080, 8338440, 8616388, 10770485, 11749620, 12924582, 17232776, 21540970, 23499240, 25849164, 32311455, 43081940, 51698328, 64622910, 86163880, 129245820, 258491640]

約数ペア:

[(1, 258491640), (2, 129245820), (3, 86163880), (4, 64622910), (5, 51698328), (6, 43081940), (8, 32311455), (10, 25849164), (11, 23499240), (12, 21540970), (15, 17232776), (20, 12924582), (22, 11749620), (24, 10770485), (30, 8616388), (31, 8338440), (33, 7833080), (40, 6462291), (44, 5874810), (55, 4699848), (60, 4308194), (62, 4169220), (66, 3916540), (88, 2937405), (93, 2779480), (110, 2349924), (120, 2154097), (124, 2084610), (132, 1958270), (155, 1667688), (165, 1566616), (186, 1389740), (220, 1174962), (248, 1042305), (264, 979135), (310, 833844), (330, 783308), (341, 758040), (372, 694870), (440, 587481), (465, 555896), (620, 416922), (660, 391654), (682, 379020), (744, 347435), (930, 277948), (1023, 252680), (1240, 208461), (1320, 195827), (1364, 189510), (1705, 151608), (1860, 138974), (2046, 126340), (2728, 94755), (3410, 75804), (3720, 69487), (4092, 63170), (5115, 50536), (6317, 40920), (6820, 37902), (8184, 31585), (10230, 25268), (12634, 20460), (13640, 18951)]