2557129680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{72481}}^1$

素因数の和:72514

約数の個数: 180

約数和(自身を含む): 9989904132

約数和(自身を除く): 7432774452

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 17640, 35280, 72481, 144962, 217443, 289924, 362405, 434886, 507367, 579848, 652329, 724810, 869772, 1014734, 1087215, 1159696, 1304658, 1449620, 1522101, 1739544, 2029468, 2174430, 2536835, 2609316, 2899240, 3044202, 3261645, 3479088, 3551569, 4058936, 4348860, 4566303, 5073670, 5218632, 5798480, 6088404, 6523290, 7103138, 7610505, 8117872, 8697720, 9132606, 10147340, 10437264, 10654707, 12176808, 13046580, 14206276, 15221010, 17395440, 17757845, 18265212, 20294680, 21309414, 22831515, 24353616, 26093160, 28412552, 30442020, 31964121, 35515690, 36530424, 40589360, 42618828, 45663030, 52186320, 53273535, 56825104, 60884040, 63928242, 71031380, 73060848, 85237656, 91326060, 106547070, 121768080, 127856484, 142062760, 159820605, 170475312, 182652120, 213094140, 255712968, 284125520, 319641210, 365304240, 426188280, 511425936, 639282420, 852376560, 1278564840, 2557129680]

約数ペア:

[(1, 2557129680), (2, 1278564840), (3, 852376560), (4, 639282420), (5, 511425936), (6, 426188280), (7, 365304240), (8, 319641210), (9, 284125520), (10, 255712968), (12, 213094140), (14, 182652120), (15, 170475312), (16, 159820605), (18, 142062760), (20, 127856484), (21, 121768080), (24, 106547070), (28, 91326060), (30, 85237656), (35, 73060848), (36, 71031380), (40, 63928242), (42, 60884040), (45, 56825104), (48, 53273535), (49, 52186320), (56, 45663030), (60, 42618828), (63, 40589360), (70, 36530424), (72, 35515690), (80, 31964121), (84, 30442020), (90, 28412552), (98, 26093160), (105, 24353616), (112, 22831515), (120, 21309414), (126, 20294680), (140, 18265212), (144, 17757845), (147, 17395440), (168, 15221010), (180, 14206276), (196, 13046580), (210, 12176808), (240, 10654707), (245, 10437264), (252, 10147340), (280, 9132606), (294, 8697720), (315, 8117872), (336, 7610505), (360, 7103138), (392, 6523290), (420, 6088404), (441, 5798480), (490, 5218632), (504, 5073670), (560, 4566303), (588, 4348860), (630, 4058936), (720, 3551569), (735, 3479088), (784, 3261645), (840, 3044202), (882, 2899240), (980, 2609316), (1008, 2536835), (1176, 2174430), (1260, 2029468), (1470, 1739544), (1680, 1522101), (1764, 1449620), (1960, 1304658), (2205, 1159696), (2352, 1087215), (2520, 1014734), (2940, 869772), (3528, 724810), (3920, 652329), (4410, 579848), (5040, 507367), (5880, 434886), (7056, 362405), (8820, 289924), (11760, 217443), (17640, 144962), (35280, 72481)]