268860540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{344693}}^1$

素因数の和:344718

約数の個数: 48

約数和(自身を含む): 810720288

約数和(自身を除く): 541859748

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, 344693, 689386, 1034079, 1378772, 1723465, 2068158, 3446930, 4136316, 4481009, 5170395, 6893860, 8962018, 10340790, 13443027, 17924036, 20681580, 22405045, 26886054, 44810090, 53772108, 67215135, 89620180, 134430270, 268860540]

約数ペア:

[(1, 268860540), (2, 134430270), (3, 89620180), (4, 67215135), (5, 53772108), (6, 44810090), (10, 26886054), (12, 22405045), (13, 20681580), (15, 17924036), (20, 13443027), (26, 10340790), (30, 8962018), (39, 6893860), (52, 5170395), (60, 4481009), (65, 4136316), (78, 3446930), (130, 2068158), (156, 1723465), (195, 1378772), (260, 1034079), (390, 689386), (780, 344693)]