2121212640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:689

約数の個数: 192

約数和(自身を含む): 6858432000

約数和(自身を除く): 4737219360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 80, 96, 106, 120, 159, 160, 199, 212, 240, 265, 318, 398, 419, 424, 480, 530, 597, 636, 795, 796, 838, 848, 995, 1060, 1194, 1257, 1272, 1590, 1592, 1676, 1696, 1990, 2095, 2120, 2388, 2514, 2544, 2985, 3180, 3184, 3352, 3980, 4190, 4240, 4776, 5028, 5088, 5970, 6285, 6360, 6368, 6704, 7960, 8380, 8480, 9552, 10056, 10547, 11940, 12570, 12720, 13408, 15920, 16760, 19104, 20112, 21094, 22207, 23880, 25140, 25440, 31641, 31840, 33520, 40224, 42188, 44414, 47760, 50280, 52735, 63282, 66621, 67040, 83381, 84376, 88828, 95520, 100560, 105470, 111035, 126564, 133242, 158205, 166762, 168752, 177656, 201120, 210940, 222070, 250143, 253128, 266484, 316410, 333105, 333524, 337504, 355312, 416905, 421880, 444140, 500286, 506256, 532968, 632820, 666210, 667048, 710624, 833810, 843760, 888280, 1000572, 1012512, 1065936, 1250715, 1265640, 1332420, 1334096, 1667620, 1687520, 1776560, 2001144, 2131872, 2501430, 2531280, 2664840, 2668192, 3335240, 3553120, 4002288, 4419193, 5002860, 5062560, 5329680, 6670480, 8004576, 8838386, 10005720, 10659360, 13257579, 13340960, 17676772, 20011440, 22095965, 26515158, 35353544, 40022880, 44191930, 53030316, 66287895, 70707088, 88383860, 106060632, 132575790, 141414176, 176767720, 212121264, 265151580, 353535440, 424242528, 530303160, 707070880, 1060606320, 2121212640]

約数ペア:

[(1, 2121212640), (2, 1060606320), (3, 707070880), (4, 530303160), (5, 424242528), (6, 353535440), (8, 265151580), (10, 212121264), (12, 176767720), (15, 141414176), (16, 132575790), (20, 106060632), (24, 88383860), (30, 70707088), (32, 66287895), (40, 53030316), (48, 44191930), (53, 40022880), (60, 35353544), (80, 26515158), (96, 22095965), (106, 20011440), (120, 17676772), (159, 13340960), (160, 13257579), (199, 10659360), (212, 10005720), (240, 8838386), (265, 8004576), (318, 6670480), (398, 5329680), (419, 5062560), (424, 5002860), (480, 4419193), (530, 4002288), (597, 3553120), (636, 3335240), (795, 2668192), (796, 2664840), (838, 2531280), (848, 2501430), (995, 2131872), (1060, 2001144), (1194, 1776560), (1257, 1687520), (1272, 1667620), (1590, 1334096), (1592, 1332420), (1676, 1265640), (1696, 1250715), (1990, 1065936), (2095, 1012512), (2120, 1000572), (2388, 888280), (2514, 843760), (2544, 833810), (2985, 710624), (3180, 667048), (3184, 666210), (3352, 632820), (3980, 532968), (4190, 506256), (4240, 500286), (4776, 444140), (5028, 421880), (5088, 416905), (5970, 355312), (6285, 337504), (6360, 333524), (6368, 333105), (6704, 316410), (7960, 266484), (8380, 253128), (8480, 250143), (9552, 222070), (10056, 210940), (10547, 201120), (11940, 177656), (12570, 168752), (12720, 166762), (13408, 158205), (15920, 133242), (16760, 126564), (19104, 111035), (20112, 105470), (21094, 100560), (22207, 95520), (23880, 88828), (25140, 84376), (25440, 83381), (31641, 67040), (31840, 66621), (33520, 63282), (40224, 52735), (42188, 50280), (44414, 47760)]