178425780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{228751}}^1$

素因数の和:228776

約数の個数: 48

約数和(自身を含む): 538024704

約数和(自身を除く): 359598924

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, 228751, 457502, 686253, 915004, 1143755, 1372506, 2287510, 2745012, 2973763, 3431265, 4575020, 5947526, 6862530, 8921289, 11895052, 13725060, 14868815, 17842578, 29737630, 35685156, 44606445, 59475260, 89212890, 178425780]

約数ペア:

[(1, 178425780), (2, 89212890), (3, 59475260), (4, 44606445), (5, 35685156), (6, 29737630), (10, 17842578), (12, 14868815), (13, 13725060), (15, 11895052), (20, 8921289), (26, 6862530), (30, 5947526), (39, 4575020), (52, 3431265), (60, 2973763), (65, 2745012), (78, 2287510), (130, 1372506), (156, 1143755), (195, 915004), (260, 686253), (390, 457502), (780, 228751)]