254064840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:627

約数の個数: 128

約数和(自身を含む): 793497600

約数和(自身を除く): 539432760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 163, 186, 248, 310, 326, 372, 419, 465, 489, 620, 652, 744, 815, 838, 930, 978, 1240, 1257, 1304, 1630, 1676, 1860, 1956, 2095, 2445, 2514, 3260, 3352, 3720, 3912, 4190, 4890, 5028, 5053, 6285, 6520, 8380, 9780, 10056, 10106, 12570, 12989, 15159, 16760, 19560, 20212, 25140, 25265, 25978, 30318, 38967, 40424, 50280, 50530, 51956, 60636, 64945, 68297, 75795, 77934, 101060, 103912, 121272, 129890, 136594, 151590, 155868, 194835, 202120, 204891, 259780, 273188, 303180, 311736, 341485, 389670, 409782, 519560, 546376, 606360, 682970, 779340, 819564, 1024455, 1365940, 1558680, 1639128, 2048910, 2117207, 2731880, 4097820, 4234414, 6351621, 8195640, 8468828, 10586035, 12703242, 16937656, 21172070, 25406484, 31758105, 42344140, 50812968, 63516210, 84688280, 127032420, 254064840]

約数ペア:

[(1, 254064840), (2, 127032420), (3, 84688280), (4, 63516210), (5, 50812968), (6, 42344140), (8, 31758105), (10, 25406484), (12, 21172070), (15, 16937656), (20, 12703242), (24, 10586035), (30, 8468828), (31, 8195640), (40, 6351621), (60, 4234414), (62, 4097820), (93, 2731880), (120, 2117207), (124, 2048910), (155, 1639128), (163, 1558680), (186, 1365940), (248, 1024455), (310, 819564), (326, 779340), (372, 682970), (419, 606360), (465, 546376), (489, 519560), (620, 409782), (652, 389670), (744, 341485), (815, 311736), (838, 303180), (930, 273188), (978, 259780), (1240, 204891), (1257, 202120), (1304, 194835), (1630, 155868), (1676, 151590), (1860, 136594), (1956, 129890), (2095, 121272), (2445, 103912), (2514, 101060), (3260, 77934), (3352, 75795), (3720, 68297), (3912, 64945), (4190, 60636), (4890, 51956), (5028, 50530), (5053, 50280), (6285, 40424), (6520, 38967), (8380, 30318), (9780, 25978), (10056, 25265), (10106, 25140), (12570, 20212), (12989, 19560), (15159, 16760)]