87220380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111821}}^1$

素因数の和:111846

約数の個数: 48

約数和(自身を含む): 263005344

約数和(自身を除く): 175784964

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, 111821, 223642, 335463, 447284, 559105, 670926, 1118210, 1341852, 1453673, 1677315, 2236420, 2907346, 3354630, 4361019, 5814692, 6709260, 7268365, 8722038, 14536730, 17444076, 21805095, 29073460, 43610190, 87220380]

約数ペア:

[(1, 87220380), (2, 43610190), (3, 29073460), (4, 21805095), (5, 17444076), (6, 14536730), (10, 8722038), (12, 7268365), (13, 6709260), (15, 5814692), (20, 4361019), (26, 3354630), (30, 2907346), (39, 2236420), (52, 1677315), (60, 1453673), (65, 1341852), (78, 1118210), (130, 670926), (156, 559105), (195, 447284), (260, 335463), (390, 223642), (780, 111821)]