531121320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{821}}^1$

素因数の和:1440

約数の個数: 128

約数和(自身を含む): 1775520000

約数和(自身を除く): 1244398680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 599, 821, 1080, 1198, 1642, 1797, 2396, 2463, 2995, 3284, 3594, 4105, 4792, 4926, 5391, 5990, 6568, 7188, 7389, 8210, 8985, 9852, 10782, 11980, 12315, 14376, 14778, 16173, 16420, 17970, 19704, 21564, 22167, 23960, 24630, 26955, 29556, 32346, 32840, 35940, 36945, 43128, 44334, 49260, 53910, 59112, 64692, 71880, 73890, 80865, 88668, 98520, 107820, 110835, 129384, 147780, 161730, 177336, 215640, 221670, 295560, 323460, 443340, 491779, 646920, 886680, 983558, 1475337, 1967116, 2458895, 2950674, 3934232, 4426011, 4917790, 5901348, 7376685, 8852022, 9835580, 11802696, 13278033, 14753370, 17704044, 19671160, 22130055, 26556066, 29506740, 35408088, 44260110, 53112132, 59013480, 66390165, 88520220, 106224264, 132780330, 177040440, 265560660, 531121320]

約数ペア:

[(1, 531121320), (2, 265560660), (3, 177040440), (4, 132780330), (5, 106224264), (6, 88520220), (8, 66390165), (9, 59013480), (10, 53112132), (12, 44260110), (15, 35408088), (18, 29506740), (20, 26556066), (24, 22130055), (27, 19671160), (30, 17704044), (36, 14753370), (40, 13278033), (45, 11802696), (54, 9835580), (60, 8852022), (72, 7376685), (90, 5901348), (108, 4917790), (120, 4426011), (135, 3934232), (180, 2950674), (216, 2458895), (270, 1967116), (360, 1475337), (540, 983558), (599, 886680), (821, 646920), (1080, 491779), (1198, 443340), (1642, 323460), (1797, 295560), (2396, 221670), (2463, 215640), (2995, 177336), (3284, 161730), (3594, 147780), (4105, 129384), (4792, 110835), (4926, 107820), (5391, 98520), (5990, 88668), (6568, 80865), (7188, 73890), (7389, 71880), (8210, 64692), (8985, 59112), (9852, 53910), (10782, 49260), (11980, 44334), (12315, 43128), (14376, 36945), (14778, 35940), (16173, 32840), (16420, 32346), (17970, 29556), (19704, 26955), (21564, 24630), (22167, 23960)]