128935560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82651}}^1$

素因数の和:82678

約数の個数: 64

約数和(自身を含む): 416566080

約数和(自身を除く): 287630520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 82651, 165302, 247953, 330604, 413255, 495906, 661208, 826510, 991812, 1074463, 1239765, 1653020, 1983624, 2148926, 2479530, 3223389, 3306040, 4297852, 4959060, 5372315, 6446778, 8595704, 9918120, 10744630, 12893556, 16116945, 21489260, 25787112, 32233890, 42978520, 64467780, 128935560]

約数ペア:

[(1, 128935560), (2, 64467780), (3, 42978520), (4, 32233890), (5, 25787112), (6, 21489260), (8, 16116945), (10, 12893556), (12, 10744630), (13, 9918120), (15, 8595704), (20, 6446778), (24, 5372315), (26, 4959060), (30, 4297852), (39, 3306040), (40, 3223389), (52, 2479530), (60, 2148926), (65, 1983624), (78, 1653020), (104, 1239765), (120, 1074463), (130, 991812), (156, 826510), (195, 661208), (260, 495906), (312, 413255), (390, 330604), (520, 247953), (780, 165302), (1560, 82651)]