245906520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 763015680

約数和(自身を除く): 517109160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 151, 164, 205, 246, 302, 328, 331, 410, 453, 492, 604, 615, 662, 755, 820, 906, 984, 993, 1208, 1230, 1324, 1510, 1640, 1655, 1812, 1986, 2265, 2460, 2648, 3020, 3310, 3624, 3972, 4530, 4920, 4965, 6040, 6191, 6620, 7944, 9060, 9930, 12382, 13240, 13571, 18120, 18573, 19860, 24764, 27142, 30955, 37146, 39720, 40713, 49528, 49981, 54284, 61910, 67855, 74292, 81426, 92865, 99962, 108568, 123820, 135710, 148584, 149943, 162852, 185730, 199924, 203565, 247640, 249905, 271420, 299886, 325704, 371460, 399848, 407130, 499810, 542840, 599772, 742920, 749715, 814260, 999620, 1199544, 1499430, 1628520, 1999240, 2049221, 2998860, 4098442, 5997720, 6147663, 8196884, 10246105, 12295326, 16393768, 20492210, 24590652, 30738315, 40984420, 49181304, 61476630, 81968840, 122953260, 245906520]

約数ペア:

[(1, 245906520), (2, 122953260), (3, 81968840), (4, 61476630), (5, 49181304), (6, 40984420), (8, 30738315), (10, 24590652), (12, 20492210), (15, 16393768), (20, 12295326), (24, 10246105), (30, 8196884), (40, 6147663), (41, 5997720), (60, 4098442), (82, 2998860), (120, 2049221), (123, 1999240), (151, 1628520), (164, 1499430), (205, 1199544), (246, 999620), (302, 814260), (328, 749715), (331, 742920), (410, 599772), (453, 542840), (492, 499810), (604, 407130), (615, 399848), (662, 371460), (755, 325704), (820, 299886), (906, 271420), (984, 249905), (993, 247640), (1208, 203565), (1230, 199924), (1324, 185730), (1510, 162852), (1640, 149943), (1655, 148584), (1812, 135710), (1986, 123820), (2265, 108568), (2460, 99962), (2648, 92865), (3020, 81426), (3310, 74292), (3624, 67855), (3972, 61910), (4530, 54284), (4920, 49981), (4965, 49528), (6040, 40713), (6191, 39720), (6620, 37146), (7944, 30955), (9060, 27142), (9930, 24764), (12382, 19860), (13240, 18573), (13571, 18120)]