257062260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 288

約数和(自身を含む): 936472320

約数和(自身を除く): 679410060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 23, 26, 28, 30, 35, 39, 42, 46, 52, 60, 65, 69, 70, 78, 84, 89, 91, 92, 105, 115, 130, 138, 140, 156, 161, 178, 182, 195, 210, 230, 260, 267, 273, 276, 299, 322, 345, 356, 364, 390, 420, 445, 455, 460, 483, 529, 534, 546, 598, 623, 644, 690, 780, 805, 890, 897, 910, 966, 1058, 1068, 1092, 1157, 1196, 1246, 1335, 1365, 1380, 1495, 1587, 1610, 1780, 1794, 1820, 1869, 1932, 2047, 2093, 2116, 2314, 2415, 2492, 2645, 2670, 2730, 2990, 3115, 3174, 3220, 3471, 3588, 3703, 3738, 4094, 4186, 4485, 4628, 4830, 5290, 5340, 5460, 5785, 5980, 6141, 6230, 6279, 6348, 6877, 6942, 7406, 7476, 7935, 8099, 8188, 8372, 8970, 9345, 9660, 10235, 10465, 10580, 11109, 11570, 12282, 12460, 12558, 13754, 13884, 14329, 14812, 15870, 16198, 17355, 17940, 18515, 18690, 20470, 20631, 20930, 22218, 23140, 24297, 24564, 25116, 26611, 27508, 28658, 30705, 31395, 31740, 32396, 34385, 34710, 37030, 37380, 40495, 40940, 41262, 41860, 42987, 44436, 47081, 48139, 48594, 53222, 55545, 57316, 61410, 62790, 68770, 69420, 71645, 74060, 79833, 80990, 82524, 85974, 94162, 96278, 97188, 103155, 106444, 111090, 121485, 122820, 125580, 133055, 137540, 141243, 143290, 144417, 159666, 161980, 171948, 186277, 188324, 192556, 206310, 214935, 222180, 235405, 240695, 242970, 266110, 282486, 286580, 288834, 319332, 329567, 372554, 399165, 412620, 429870, 470810, 481390, 485940, 532220, 558831, 564972, 577668, 612053, 659134, 706215, 722085, 745108, 798330, 859740, 931385, 941620, 962780, 988701, 1117662, 1224106, 1318268, 1412430, 1444170, 1596660, 1647835, 1836159, 1862770, 1977402, 2235324, 2448212, 2794155, 2824860, 2888340, 3060265, 3295670, 3672318, 3725540, 3954804, 4284371, 4943505, 5588310, 6120530, 6591340, 7344636, 8568742, 9180795, 9887010, 11176620, 12241060, 12853113, 17137484, 18361590, 19774020, 21421855, 25706226, 36723180, 42843710, 51412452, 64265565, 85687420, 128531130, 257062260]

約数ペア:

[(1, 257062260), (2, 128531130), (3, 85687420), (4, 64265565), (5, 51412452), (6, 42843710), (7, 36723180), (10, 25706226), (12, 21421855), (13, 19774020), (14, 18361590), (15, 17137484), (20, 12853113), (21, 12241060), (23, 11176620), (26, 9887010), (28, 9180795), (30, 8568742), (35, 7344636), (39, 6591340), (42, 6120530), (46, 5588310), (52, 4943505), (60, 4284371), (65, 3954804), (69, 3725540), (70, 3672318), (78, 3295670), (84, 3060265), (89, 2888340), (91, 2824860), (92, 2794155), (105, 2448212), (115, 2235324), (130, 1977402), (138, 1862770), (140, 1836159), (156, 1647835), (161, 1596660), (178, 1444170), (182, 1412430), (195, 1318268), (210, 1224106), (230, 1117662), (260, 988701), (267, 962780), (273, 941620), (276, 931385), (299, 859740), (322, 798330), (345, 745108), (356, 722085), (364, 706215), (390, 659134), (420, 612053), (445, 577668), (455, 564972), (460, 558831), (483, 532220), (529, 485940), (534, 481390), (546, 470810), (598, 429870), (623, 412620), (644, 399165), (690, 372554), (780, 329567), (805, 319332), (890, 288834), (897, 286580), (910, 282486), (966, 266110), (1058, 242970), (1068, 240695), (1092, 235405), (1157, 222180), (1196, 214935), (1246, 206310), (1335, 192556), (1365, 188324), (1380, 186277), (1495, 171948), (1587, 161980), (1610, 159666), (1780, 144417), (1794, 143290), (1820, 141243), (1869, 137540), (1932, 133055), (2047, 125580), (2093, 122820), (2116, 121485), (2314, 111090), (2415, 106444), (2492, 103155), (2645, 97188), (2670, 96278), (2730, 94162), (2990, 85974), (3115, 82524), (3174, 80990), (3220, 79833), (3471, 74060), (3588, 71645), (3703, 69420), (3738, 68770), (4094, 62790), (4186, 61410), (4485, 57316), (4628, 55545), (4830, 53222), (5290, 48594), (5340, 48139), (5460, 47081), (5785, 44436), (5980, 42987), (6141, 41860), (6230, 41262), (6279, 40940), (6348, 40495), (6877, 37380), (6942, 37030), (7406, 34710), (7476, 34385), (7935, 32396), (8099, 31740), (8188, 31395), (8372, 30705), (8970, 28658), (9345, 27508), (9660, 26611), (10235, 25116), (10465, 24564), (10580, 24297), (11109, 23140), (11570, 22218), (12282, 20930), (12460, 20631), (12558, 20470), (13754, 18690), (13884, 18515), (14329, 17940), (14812, 17355), (15870, 16198)]