257526360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1167

約数の個数: 288

約数和(自身を含む): 1049433840

約数和(自身を除く): 791907480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 49, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 98, 104, 105, 117, 120, 126, 130, 140, 147, 156, 168, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 280, 294, 312, 315, 360, 364, 390, 392, 420, 441, 455, 468, 490, 504, 520, 546, 585, 588, 630, 637, 728, 735, 780, 819, 840, 882, 910, 936, 980, 1092, 1123, 1170, 1176, 1260, 1274, 1365, 1470, 1560, 1638, 1764, 1820, 1911, 1960, 2184, 2205, 2246, 2340, 2520, 2548, 2730, 2940, 3185, 3276, 3369, 3528, 3640, 3822, 4095, 4410, 4492, 4680, 5096, 5460, 5615, 5733, 5880, 6370, 6552, 6738, 7644, 7861, 8190, 8820, 8984, 9555, 10107, 10920, 11230, 11466, 12740, 13476, 14599, 15288, 15722, 16380, 16845, 17640, 19110, 20214, 22460, 22932, 23583, 25480, 26952, 28665, 29198, 31444, 32760, 33690, 38220, 39305, 40428, 43797, 44920, 45864, 47166, 50535, 55027, 57330, 58396, 62888, 67380, 70749, 72995, 76440, 78610, 80856, 87594, 94332, 101070, 102193, 110054, 114660, 116792, 117915, 131391, 134760, 141498, 145990, 157220, 165081, 175188, 188664, 202140, 204386, 218985, 220108, 229320, 235830, 262782, 275135, 282996, 291980, 306579, 314440, 330162, 350376, 353745, 404280, 408772, 437970, 440216, 471660, 495243, 510965, 525564, 550270, 565992, 583960, 613158, 656955, 660324, 707490, 715351, 817544, 825405, 875940, 919737, 943320, 990486, 1021930, 1051128, 1100540, 1226316, 1313910, 1320648, 1414980, 1430702, 1532895, 1650810, 1751880, 1839474, 1980972, 2043860, 2146053, 2201080, 2452632, 2476215, 2627820, 2829960, 2861404, 3065790, 3301620, 3576755, 3678948, 3961944, 4087720, 4292106, 4598685, 4952430, 5255640, 5722808, 6131580, 6438159, 6603240, 7153510, 7357896, 8584212, 9197370, 9904860, 10730265, 12263160, 12876318, 14307020, 17168424, 18394740, 19809720, 21460530, 25752636, 28614040, 32190795, 36789480, 42921060, 51505272, 64381590, 85842120, 128763180, 257526360]

約数ペア:

[(1, 257526360), (2, 128763180), (3, 85842120), (4, 64381590), (5, 51505272), (6, 42921060), (7, 36789480), (8, 32190795), (9, 28614040), (10, 25752636), (12, 21460530), (13, 19809720), (14, 18394740), (15, 17168424), (18, 14307020), (20, 12876318), (21, 12263160), (24, 10730265), (26, 9904860), (28, 9197370), (30, 8584212), (35, 7357896), (36, 7153510), (39, 6603240), (40, 6438159), (42, 6131580), (45, 5722808), (49, 5255640), (52, 4952430), (56, 4598685), (60, 4292106), (63, 4087720), (65, 3961944), (70, 3678948), (72, 3576755), (78, 3301620), (84, 3065790), (90, 2861404), (91, 2829960), (98, 2627820), (104, 2476215), (105, 2452632), (117, 2201080), (120, 2146053), (126, 2043860), (130, 1980972), (140, 1839474), (147, 1751880), (156, 1650810), (168, 1532895), (180, 1430702), (182, 1414980), (195, 1320648), (196, 1313910), (210, 1226316), (234, 1100540), (245, 1051128), (252, 1021930), (260, 990486), (273, 943320), (280, 919737), (294, 875940), (312, 825405), (315, 817544), (360, 715351), (364, 707490), (390, 660324), (392, 656955), (420, 613158), (441, 583960), (455, 565992), (468, 550270), (490, 525564), (504, 510965), (520, 495243), (546, 471660), (585, 440216), (588, 437970), (630, 408772), (637, 404280), (728, 353745), (735, 350376), (780, 330162), (819, 314440), (840, 306579), (882, 291980), (910, 282996), (936, 275135), (980, 262782), (1092, 235830), (1123, 229320), (1170, 220108), (1176, 218985), (1260, 204386), (1274, 202140), (1365, 188664), (1470, 175188), (1560, 165081), (1638, 157220), (1764, 145990), (1820, 141498), (1911, 134760), (1960, 131391), (2184, 117915), (2205, 116792), (2246, 114660), (2340, 110054), (2520, 102193), (2548, 101070), (2730, 94332), (2940, 87594), (3185, 80856), (3276, 78610), (3369, 76440), (3528, 72995), (3640, 70749), (3822, 67380), (4095, 62888), (4410, 58396), (4492, 57330), (4680, 55027), (5096, 50535), (5460, 47166), (5615, 45864), (5733, 44920), (5880, 43797), (6370, 40428), (6552, 39305), (6738, 38220), (7644, 33690), (7861, 32760), (8190, 31444), (8820, 29198), (8984, 28665), (9555, 26952), (10107, 25480), (10920, 23583), (11230, 22932), (11466, 22460), (12740, 20214), (13476, 19110), (14599, 17640), (15288, 16845), (15722, 16380)]