128722290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 315850752

約数和(自身を除く): 187128462

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 223, 271, 355, 426, 446, 542, 669, 710, 813, 1065, 1115, 1338, 1355, 1626, 2130, 2230, 2710, 3345, 4065, 6690, 8130, 15833, 19241, 31666, 38482, 47499, 57723, 60433, 79165, 94998, 96205, 115446, 120866, 158330, 181299, 192410, 237495, 288615, 302165, 362598, 474990, 577230, 604330, 906495, 1812990, 4290743, 8581486, 12872229, 21453715, 25744458, 42907430, 64361145, 128722290]

約数ペア:

[(1, 128722290), (2, 64361145), (3, 42907430), (5, 25744458), (6, 21453715), (10, 12872229), (15, 8581486), (30, 4290743), (71, 1812990), (142, 906495), (213, 604330), (223, 577230), (271, 474990), (355, 362598), (426, 302165), (446, 288615), (542, 237495), (669, 192410), (710, 181299), (813, 158330), (1065, 120866), (1115, 115446), (1338, 96205), (1355, 94998), (1626, 79165), (2130, 60433), (2230, 57723), (2710, 47499), (3345, 38482), (4065, 31666), (6690, 19241), (8130, 15833)]