54195180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69481}}^1$

素因数の和:69506

約数の個数: 48

約数和(自身を含む): 163421664

約数和(自身を除く): 109226484

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, 69481, 138962, 208443, 277924, 347405, 416886, 694810, 833772, 903253, 1042215, 1389620, 1806506, 2084430, 2709759, 3613012, 4168860, 4516265, 5419518, 9032530, 10839036, 13548795, 18065060, 27097590, 54195180]

約数ペア:

[(1, 54195180), (2, 27097590), (3, 18065060), (4, 13548795), (5, 10839036), (6, 9032530), (10, 5419518), (12, 4516265), (13, 4168860), (15, 3613012), (20, 2709759), (26, 2084430), (30, 1806506), (39, 1389620), (52, 1042215), (60, 903253), (65, 833772), (78, 694810), (130, 416886), (156, 347405), (195, 277924), (260, 208443), (390, 138962), (780, 69481)]