31262520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 100362240

約数和(自身を除く): 69099720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 241, 276, 282, 345, 376, 460, 470, 482, 552, 564, 690, 705, 723, 920, 940, 964, 1081, 1128, 1205, 1380, 1410, 1446, 1880, 1928, 2162, 2410, 2760, 2820, 2892, 3243, 3615, 4324, 4820, 5405, 5543, 5640, 5784, 6486, 7230, 8648, 9640, 10810, 11086, 11327, 12972, 14460, 16215, 16629, 21620, 22172, 22654, 25944, 27715, 28920, 32430, 33258, 33981, 43240, 44344, 45308, 55430, 56635, 64860, 66516, 67962, 83145, 90616, 110860, 113270, 129720, 133032, 135924, 166290, 169905, 221720, 226540, 260521, 271848, 332580, 339810, 453080, 521042, 665160, 679620, 781563, 1042084, 1302605, 1359240, 1563126, 2084168, 2605210, 3126252, 3907815, 5210420, 6252504, 7815630, 10420840, 15631260, 31262520]

約数ペア:

[(1, 31262520), (2, 15631260), (3, 10420840), (4, 7815630), (5, 6252504), (6, 5210420), (8, 3907815), (10, 3126252), (12, 2605210), (15, 2084168), (20, 1563126), (23, 1359240), (24, 1302605), (30, 1042084), (40, 781563), (46, 679620), (47, 665160), (60, 521042), (69, 453080), (92, 339810), (94, 332580), (115, 271848), (120, 260521), (138, 226540), (141, 221720), (184, 169905), (188, 166290), (230, 135924), (235, 133032), (241, 129720), (276, 113270), (282, 110860), (345, 90616), (376, 83145), (460, 67962), (470, 66516), (482, 64860), (552, 56635), (564, 55430), (690, 45308), (705, 44344), (723, 43240), (920, 33981), (940, 33258), (964, 32430), (1081, 28920), (1128, 27715), (1205, 25944), (1380, 22654), (1410, 22172), (1446, 21620), (1880, 16629), (1928, 16215), (2162, 14460), (2410, 12972), (2760, 11327), (2820, 11086), (2892, 10810), (3243, 9640), (3615, 8648), (4324, 7230), (4820, 6486), (5405, 5784), (5543, 5640)]