64921740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83233}}^1$

素因数の和:83258

約数の個数: 48

約数和(自身を含む): 195766368

約数和(自身を除く): 130844628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 83233, 166466, 249699, 332932, 416165, 499398, 832330, 998796, 1082029, 1248495, 1664660, 2164058, 2496990, 3246087, 4328116, 4993980, 5410145, 6492174, 10820290, 12984348, 16230435, 21640580, 32460870, 64921740]

約数ペア:

[(1, 64921740), (2, 32460870), (3, 21640580), (4, 16230435), (5, 12984348), (6, 10820290), (10, 6492174), (12, 5410145), (13, 4993980), (15, 4328116), (20, 3246087), (26, 2496990), (30, 2164058), (39, 1664660), (52, 1248495), (60, 1082029), (65, 998796), (78, 832330), (130, 499398), (156, 416165), (195, 332932), (260, 249699), (390, 166466), (780, 83233)]