256353240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14939}}^1$

素因数の和:14977

約数の個数: 128

約数和(自身を含む): 903571200

約数和(自身を除く): 647217960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 14939, 17160, 29878, 44817, 59756, 74695, 89634, 119512, 149390, 164329, 179268, 194207, 224085, 298780, 328658, 358536, 388414, 448170, 492987, 582621, 597560, 657316, 776828, 821645, 896340, 971035, 985974, 1165242, 1314632, 1553656, 1643290, 1792680, 1942070, 1971948, 2136277, 2330484, 2464935, 2913105, 3286580, 3884140, 3943896, 4272554, 4660968, 4929870, 5826210, 6408831, 6573160, 7768280, 8545108, 9859740, 10681385, 11652420, 12817662, 17090216, 19719480, 21362770, 23304840, 25635324, 32044155, 42725540, 51270648, 64088310, 85451080, 128176620, 256353240]

約数ペア:

[(1, 256353240), (2, 128176620), (3, 85451080), (4, 64088310), (5, 51270648), (6, 42725540), (8, 32044155), (10, 25635324), (11, 23304840), (12, 21362770), (13, 19719480), (15, 17090216), (20, 12817662), (22, 11652420), (24, 10681385), (26, 9859740), (30, 8545108), (33, 7768280), (39, 6573160), (40, 6408831), (44, 5826210), (52, 4929870), (55, 4660968), (60, 4272554), (65, 3943896), (66, 3884140), (78, 3286580), (88, 2913105), (104, 2464935), (110, 2330484), (120, 2136277), (130, 1971948), (132, 1942070), (143, 1792680), (156, 1643290), (165, 1553656), (195, 1314632), (220, 1165242), (260, 985974), (264, 971035), (286, 896340), (312, 821645), (330, 776828), (390, 657316), (429, 597560), (440, 582621), (520, 492987), (572, 448170), (660, 388414), (715, 358536), (780, 328658), (858, 298780), (1144, 224085), (1320, 194207), (1430, 179268), (1560, 164329), (1716, 149390), (2145, 119512), (2860, 89634), (3432, 74695), (4290, 59756), (5720, 44817), (8580, 29878), (14939, 17160)]