81467880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52223}}^1$

素因数の和:52250

約数の個数: 64

約数和(自身を含む): 263208960

約数和(自身を除く): 181741080

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, 52223, 104446, 156669, 208892, 261115, 313338, 417784, 522230, 626676, 678899, 783345, 1044460, 1253352, 1357798, 1566690, 2036697, 2088920, 2715596, 3133380, 3394495, 4073394, 5431192, 6266760, 6788990, 8146788, 10183485, 13577980, 16293576, 20366970, 27155960, 40733940, 81467880]

約数ペア:

[(1, 81467880), (2, 40733940), (3, 27155960), (4, 20366970), (5, 16293576), (6, 13577980), (8, 10183485), (10, 8146788), (12, 6788990), (13, 6266760), (15, 5431192), (20, 4073394), (24, 3394495), (26, 3133380), (30, 2715596), (39, 2088920), (40, 2036697), (52, 1566690), (60, 1357798), (65, 1253352), (78, 1044460), (104, 783345), (120, 678899), (130, 626676), (156, 522230), (195, 417784), (260, 313338), (312, 261115), (390, 208892), (520, 156669), (780, 104446), (1560, 52223)]