248779440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3797}}^1$

素因数の和:3836

約数の個数: 240

約数和(自身を含む): 1028559168

約数和(自身を除く): 779779728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 3797, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 7594, 8190, 9360, 10920, 11391, 13104, 15188, 16380, 18985, 21840, 22782, 26579, 30376, 32760, 34173, 37970, 45564, 49361, 53158, 56955, 60752, 65520, 68346, 75940, 79737, 91128, 98722, 106316, 113910, 132895, 136692, 148083, 151880, 159474, 170865, 182256, 197444, 212632, 227820, 239211, 246805, 265790, 273384, 296166, 303760, 318948, 341730, 345527, 394888, 398685, 425264, 444249, 455640, 478422, 493610, 531580, 546768, 592332, 637896, 683460, 691054, 740415, 789776, 797370, 888498, 911280, 956844, 987220, 1036581, 1063160, 1184664, 1196055, 1275792, 1366920, 1382108, 1480830, 1594740, 1727635, 1776996, 1913688, 1974440, 2073162, 2126320, 2221245, 2369328, 2392110, 2733840, 2764216, 2961660, 3109743, 3189480, 3455270, 3553992, 3827376, 3948880, 4146324, 4442490, 4784220, 5182905, 5528432, 5923320, 6219486, 6378960, 6910540, 7107984, 8292648, 8884980, 9568440, 10365810, 11846640, 12438972, 13821080, 15548715, 16585296, 17769960, 19136880, 20731620, 24877944, 27642160, 31097430, 35539920, 41463240, 49755888, 62194860, 82926480, 124389720, 248779440]

約数ペア:

[(1, 248779440), (2, 124389720), (3, 82926480), (4, 62194860), (5, 49755888), (6, 41463240), (7, 35539920), (8, 31097430), (9, 27642160), (10, 24877944), (12, 20731620), (13, 19136880), (14, 17769960), (15, 16585296), (16, 15548715), (18, 13821080), (20, 12438972), (21, 11846640), (24, 10365810), (26, 9568440), (28, 8884980), (30, 8292648), (35, 7107984), (36, 6910540), (39, 6378960), (40, 6219486), (42, 5923320), (45, 5528432), (48, 5182905), (52, 4784220), (56, 4442490), (60, 4146324), (63, 3948880), (65, 3827376), (70, 3553992), (72, 3455270), (78, 3189480), (80, 3109743), (84, 2961660), (90, 2764216), (91, 2733840), (104, 2392110), (105, 2369328), (112, 2221245), (117, 2126320), (120, 2073162), (126, 1974440), (130, 1913688), (140, 1776996), (144, 1727635), (156, 1594740), (168, 1480830), (180, 1382108), (182, 1366920), (195, 1275792), (208, 1196055), (210, 1184664), (234, 1063160), (240, 1036581), (252, 987220), (260, 956844), (273, 911280), (280, 888498), (312, 797370), (315, 789776), (336, 740415), (360, 691054), (364, 683460), (390, 637896), (420, 592332), (455, 546768), (468, 531580), (504, 493610), (520, 478422), (546, 455640), (560, 444249), (585, 425264), (624, 398685), (630, 394888), (720, 345527), (728, 341730), (780, 318948), (819, 303760), (840, 296166), (910, 273384), (936, 265790), (1008, 246805), (1040, 239211), (1092, 227820), (1170, 212632), (1260, 197444), (1365, 182256), (1456, 170865), (1560, 159474), (1638, 151880), (1680, 148083), (1820, 136692), (1872, 132895), (2184, 113910), (2340, 106316), (2520, 98722), (2730, 91128), (3120, 79737), (3276, 75940), (3640, 68346), (3797, 65520), (4095, 60752), (4368, 56955), (4680, 53158), (5040, 49361), (5460, 45564), (6552, 37970), (7280, 34173), (7594, 32760), (8190, 30376), (9360, 26579), (10920, 22782), (11391, 21840), (13104, 18985), (15188, 16380)]