155175540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198943}}^1$

素因数の和:198968

約数の個数: 48

約数和(自身を含む): 467916288

約数和(自身を除く): 312740748

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, 198943, 397886, 596829, 795772, 994715, 1193658, 1989430, 2387316, 2586259, 2984145, 3978860, 5172518, 5968290, 7758777, 10345036, 11936580, 12931295, 15517554, 25862590, 31035108, 38793885, 51725180, 77587770, 155175540]

約数ペア:

[(1, 155175540), (2, 77587770), (3, 51725180), (4, 38793885), (5, 31035108), (6, 25862590), (10, 15517554), (12, 12931295), (13, 11936580), (15, 10345036), (20, 7758777), (26, 5968290), (30, 5172518), (39, 3978860), (52, 2984145), (60, 2586259), (65, 2387316), (78, 1989430), (130, 1193658), (156, 994715), (195, 795772), (260, 596829), (390, 397886), (780, 198943)]