65431320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 207498240

約数和(自身を除く): 142066920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 151, 157, 184, 230, 276, 302, 314, 345, 453, 460, 471, 552, 604, 628, 690, 755, 785, 906, 920, 942, 1208, 1256, 1380, 1510, 1570, 1812, 1884, 2265, 2355, 2760, 3020, 3140, 3473, 3611, 3624, 3768, 4530, 4710, 6040, 6280, 6946, 7222, 9060, 9420, 10419, 10833, 13892, 14444, 17365, 18055, 18120, 18840, 20838, 21666, 23707, 27784, 28888, 34730, 36110, 41676, 43332, 47414, 52095, 54165, 69460, 71121, 72220, 83352, 86664, 94828, 104190, 108330, 118535, 138920, 142242, 144440, 189656, 208380, 216660, 237070, 284484, 355605, 416760, 433320, 474140, 545261, 568968, 711210, 948280, 1090522, 1422420, 1635783, 2181044, 2726305, 2844840, 3271566, 4362088, 5452610, 6543132, 8178915, 10905220, 13086264, 16357830, 21810440, 32715660, 65431320]

約数ペア:

[(1, 65431320), (2, 32715660), (3, 21810440), (4, 16357830), (5, 13086264), (6, 10905220), (8, 8178915), (10, 6543132), (12, 5452610), (15, 4362088), (20, 3271566), (23, 2844840), (24, 2726305), (30, 2181044), (40, 1635783), (46, 1422420), (60, 1090522), (69, 948280), (92, 711210), (115, 568968), (120, 545261), (138, 474140), (151, 433320), (157, 416760), (184, 355605), (230, 284484), (276, 237070), (302, 216660), (314, 208380), (345, 189656), (453, 144440), (460, 142242), (471, 138920), (552, 118535), (604, 108330), (628, 104190), (690, 94828), (755, 86664), (785, 83352), (906, 72220), (920, 71121), (942, 69460), (1208, 54165), (1256, 52095), (1380, 47414), (1510, 43332), (1570, 41676), (1812, 36110), (1884, 34730), (2265, 28888), (2355, 27784), (2760, 23707), (3020, 21666), (3140, 20838), (3473, 18840), (3611, 18120), (3624, 18055), (3768, 17365), (4530, 14444), (4710, 13892), (6040, 10833), (6280, 10419), (6946, 9420), (7222, 9060)]