81203460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104107}}^1$

素因数の和:104132

約数の個数: 48

約数和(自身を含む): 244862016

約数和(自身を除く): 163658556

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, 104107, 208214, 312321, 416428, 520535, 624642, 1041070, 1249284, 1353391, 1561605, 2082140, 2706782, 3123210, 4060173, 5413564, 6246420, 6766955, 8120346, 13533910, 16240692, 20300865, 27067820, 40601730, 81203460]

約数ペア:

[(1, 81203460), (2, 40601730), (3, 27067820), (4, 20300865), (5, 16240692), (6, 13533910), (10, 8120346), (12, 6766955), (13, 6246420), (15, 5413564), (20, 4060173), (26, 3123210), (30, 2706782), (39, 2082140), (52, 1561605), (60, 1353391), (65, 1249284), (78, 1041070), (130, 624642), (156, 520535), (195, 416428), (260, 312321), (390, 208214), (780, 104107)]