438158760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280871}}^1$

素因数の和:280898

約数の個数: 64

約数和(自身を含む): 1415594880

約数和(自身を除く): 977436120

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, 280871, 561742, 842613, 1123484, 1404355, 1685226, 2246968, 2808710, 3370452, 3651323, 4213065, 5617420, 6740904, 7302646, 8426130, 10953969, 11234840, 14605292, 16852260, 18256615, 21907938, 29210584, 33704520, 36513230, 43815876, 54769845, 73026460, 87631752, 109539690, 146052920, 219079380, 438158760]

約数ペア:

[(1, 438158760), (2, 219079380), (3, 146052920), (4, 109539690), (5, 87631752), (6, 73026460), (8, 54769845), (10, 43815876), (12, 36513230), (13, 33704520), (15, 29210584), (20, 21907938), (24, 18256615), (26, 16852260), (30, 14605292), (39, 11234840), (40, 10953969), (52, 8426130), (60, 7302646), (65, 6740904), (78, 5617420), (104, 4213065), (120, 3651323), (130, 3370452), (156, 2808710), (195, 2246968), (260, 1685226), (312, 1404355), (390, 1123484), (520, 842613), (780, 561742), (1560, 280871)]