245345880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157273}}^1$

素因数の和:157300

約数の個数: 64

約数和(自身を含む): 792660960

約数和(自身を除く): 547315080

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, 157273, 314546, 471819, 629092, 786365, 943638, 1258184, 1572730, 1887276, 2044549, 2359095, 3145460, 3774552, 4089098, 4718190, 6133647, 6290920, 8178196, 9436380, 10222745, 12267294, 16356392, 18872760, 20445490, 24534588, 30668235, 40890980, 49069176, 61336470, 81781960, 122672940, 245345880]

約数ペア:

[(1, 245345880), (2, 122672940), (3, 81781960), (4, 61336470), (5, 49069176), (6, 40890980), (8, 30668235), (10, 24534588), (12, 20445490), (13, 18872760), (15, 16356392), (20, 12267294), (24, 10222745), (26, 9436380), (30, 8178196), (39, 6290920), (40, 6133647), (52, 4718190), (60, 4089098), (65, 3774552), (78, 3145460), (104, 2359095), (120, 2044549), (130, 1887276), (156, 1572730), (195, 1258184), (260, 943638), (312, 786365), (390, 629092), (520, 471819), (780, 314546), (1560, 157273)]