280525050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:717

約数の個数: 144

約数和(自身を含む): 823280640

約数和(自身を除く): 542755590

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 79, 90, 117, 130, 150, 158, 195, 225, 234, 237, 325, 390, 395, 450, 474, 585, 607, 650, 711, 790, 975, 1027, 1170, 1185, 1214, 1422, 1821, 1950, 1975, 2054, 2370, 2925, 3035, 3081, 3555, 3642, 3950, 5135, 5463, 5850, 5925, 6070, 6162, 7110, 7891, 9105, 9243, 10270, 10926, 11850, 15175, 15405, 15782, 17775, 18210, 18486, 23673, 25675, 27315, 30350, 30810, 35550, 39455, 45525, 46215, 47346, 47953, 51350, 54630, 71019, 77025, 78910, 91050, 92430, 95906, 118365, 136575, 142038, 143859, 154050, 197275, 231075, 236730, 239765, 273150, 287718, 355095, 394550, 431577, 462150, 479530, 591825, 623389, 710190, 719295, 863154, 1183650, 1198825, 1246778, 1438590, 1775475, 1870167, 2157885, 2397650, 3116945, 3550950, 3596475, 3740334, 4315770, 5610501, 6233890, 7192950, 9350835, 10789425, 11221002, 15584725, 18701670, 21578850, 28052505, 31169450, 46754175, 56105010, 93508350, 140262525, 280525050]

約数ペア:

[(1, 280525050), (2, 140262525), (3, 93508350), (5, 56105010), (6, 46754175), (9, 31169450), (10, 28052505), (13, 21578850), (15, 18701670), (18, 15584725), (25, 11221002), (26, 10789425), (30, 9350835), (39, 7192950), (45, 6233890), (50, 5610501), (65, 4315770), (75, 3740334), (78, 3596475), (79, 3550950), (90, 3116945), (117, 2397650), (130, 2157885), (150, 1870167), (158, 1775475), (195, 1438590), (225, 1246778), (234, 1198825), (237, 1183650), (325, 863154), (390, 719295), (395, 710190), (450, 623389), (474, 591825), (585, 479530), (607, 462150), (650, 431577), (711, 394550), (790, 355095), (975, 287718), (1027, 273150), (1170, 239765), (1185, 236730), (1214, 231075), (1422, 197275), (1821, 154050), (1950, 143859), (1975, 142038), (2054, 136575), (2370, 118365), (2925, 95906), (3035, 92430), (3081, 91050), (3555, 78910), (3642, 77025), (3950, 71019), (5135, 54630), (5463, 51350), (5850, 47953), (5925, 47346), (6070, 46215), (6162, 45525), (7110, 39455), (7891, 35550), (9105, 30810), (9243, 30350), (10270, 27315), (10926, 25675), (11850, 23673), (15175, 18486), (15405, 18210), (15782, 17775)]