128469720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 407462400

約数和(自身を除く): 278992680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 89, 92, 115, 120, 138, 178, 184, 230, 267, 276, 345, 356, 445, 460, 523, 534, 552, 690, 712, 890, 920, 1046, 1068, 1335, 1380, 1569, 1780, 2047, 2092, 2136, 2615, 2670, 2760, 3138, 3560, 4094, 4184, 5230, 5340, 6141, 6276, 7845, 8188, 10235, 10460, 10680, 12029, 12282, 12552, 15690, 16376, 20470, 20920, 24058, 24564, 30705, 31380, 36087, 40940, 46547, 48116, 49128, 60145, 61410, 62760, 72174, 81880, 93094, 96232, 120290, 122820, 139641, 144348, 180435, 186188, 232735, 240580, 245640, 279282, 288696, 360870, 372376, 465470, 481160, 558564, 698205, 721740, 930940, 1070581, 1117128, 1396410, 1443480, 1861880, 2141162, 2792820, 3211743, 4282324, 5352905, 5585640, 6423486, 8564648, 10705810, 12846972, 16058715, 21411620, 25693944, 32117430, 42823240, 64234860, 128469720]

約数ペア:

[(1, 128469720), (2, 64234860), (3, 42823240), (4, 32117430), (5, 25693944), (6, 21411620), (8, 16058715), (10, 12846972), (12, 10705810), (15, 8564648), (20, 6423486), (23, 5585640), (24, 5352905), (30, 4282324), (40, 3211743), (46, 2792820), (60, 2141162), (69, 1861880), (89, 1443480), (92, 1396410), (115, 1117128), (120, 1070581), (138, 930940), (178, 721740), (184, 698205), (230, 558564), (267, 481160), (276, 465470), (345, 372376), (356, 360870), (445, 288696), (460, 279282), (523, 245640), (534, 240580), (552, 232735), (690, 186188), (712, 180435), (890, 144348), (920, 139641), (1046, 122820), (1068, 120290), (1335, 96232), (1380, 93094), (1569, 81880), (1780, 72174), (2047, 62760), (2092, 61410), (2136, 60145), (2615, 49128), (2670, 48116), (2760, 46547), (3138, 40940), (3560, 36087), (4094, 31380), (4184, 30705), (5230, 24564), (5340, 24058), (6141, 20920), (6276, 20470), (7845, 16376), (8188, 15690), (10235, 12552), (10460, 12282), (10680, 12029)]