215508540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276293}}^1$

素因数の和:276318

約数の個数: 48

約数和(自身を含む): 649843488

約数和(自身を除く): 434334948

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, 276293, 552586, 828879, 1105172, 1381465, 1657758, 2762930, 3315516, 3591809, 4144395, 5525860, 7183618, 8288790, 10775427, 14367236, 16577580, 17959045, 21550854, 35918090, 43101708, 53877135, 71836180, 107754270, 215508540]

約数ペア:

[(1, 215508540), (2, 107754270), (3, 71836180), (4, 53877135), (5, 43101708), (6, 35918090), (10, 21550854), (12, 17959045), (13, 16577580), (15, 14367236), (20, 10775427), (26, 8288790), (30, 7183618), (39, 5525860), (52, 4144395), (60, 3591809), (65, 3315516), (78, 2762930), (130, 1657758), (156, 1381465), (195, 1105172), (260, 828879), (390, 552586), (780, 276293)]