405685320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 1249914240

約数和(自身を除く): 844228920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 227, 265, 281, 318, 424, 454, 530, 562, 636, 681, 795, 843, 908, 1060, 1124, 1135, 1272, 1362, 1405, 1590, 1686, 1816, 2120, 2248, 2270, 2724, 2810, 3180, 3372, 3405, 4215, 4540, 5448, 5620, 6360, 6744, 6810, 8430, 9080, 11240, 12031, 13620, 14893, 16860, 24062, 27240, 29786, 33720, 36093, 44679, 48124, 59572, 60155, 63787, 72186, 74465, 89358, 96248, 119144, 120310, 127574, 144372, 148930, 178716, 180465, 191361, 223395, 240620, 255148, 288744, 297860, 318935, 357432, 360930, 382722, 446790, 481240, 510296, 595720, 637870, 721860, 765444, 893580, 956805, 1275740, 1443720, 1530888, 1787160, 1913610, 2551480, 3380711, 3827220, 6761422, 7654440, 10142133, 13522844, 16903555, 20284266, 27045688, 33807110, 40568532, 50710665, 67614220, 81137064, 101421330, 135228440, 202842660, 405685320]

約数ペア:

[(1, 405685320), (2, 202842660), (3, 135228440), (4, 101421330), (5, 81137064), (6, 67614220), (8, 50710665), (10, 40568532), (12, 33807110), (15, 27045688), (20, 20284266), (24, 16903555), (30, 13522844), (40, 10142133), (53, 7654440), (60, 6761422), (106, 3827220), (120, 3380711), (159, 2551480), (212, 1913610), (227, 1787160), (265, 1530888), (281, 1443720), (318, 1275740), (424, 956805), (454, 893580), (530, 765444), (562, 721860), (636, 637870), (681, 595720), (795, 510296), (843, 481240), (908, 446790), (1060, 382722), (1124, 360930), (1135, 357432), (1272, 318935), (1362, 297860), (1405, 288744), (1590, 255148), (1686, 240620), (1816, 223395), (2120, 191361), (2248, 180465), (2270, 178716), (2724, 148930), (2810, 144372), (3180, 127574), (3372, 120310), (3405, 119144), (4215, 96248), (4540, 89358), (5448, 74465), (5620, 72186), (6360, 63787), (6744, 60155), (6810, 59572), (8430, 48124), (9080, 44679), (11240, 36093), (12031, 33720), (13620, 29786), (14893, 27240), (16860, 24062)]