206740240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11909}}^1$

素因数の和:11960

約数の個数: 80

約数和(自身を含む): 567106560

約数和(自身を除く): 360366320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 11909, 17360, 23818, 47636, 59545, 83363, 95272, 119090, 166726, 190544, 238180, 333452, 369179, 416815, 476360, 666904, 738358, 833630, 952720, 1333808, 1476716, 1667260, 1845895, 2584253, 2953432, 3334520, 3691790, 5168506, 5906864, 6669040, 7383580, 10337012, 12921265, 14767160, 20674024, 25842530, 29534320, 41348048, 51685060, 103370120, 206740240]

約数ペア:

[(1, 206740240), (2, 103370120), (4, 51685060), (5, 41348048), (7, 29534320), (8, 25842530), (10, 20674024), (14, 14767160), (16, 12921265), (20, 10337012), (28, 7383580), (31, 6669040), (35, 5906864), (40, 5168506), (56, 3691790), (62, 3334520), (70, 2953432), (80, 2584253), (112, 1845895), (124, 1667260), (140, 1476716), (155, 1333808), (217, 952720), (248, 833630), (280, 738358), (310, 666904), (434, 476360), (496, 416815), (560, 369179), (620, 333452), (868, 238180), (1085, 190544), (1240, 166726), (1736, 119090), (2170, 95272), (2480, 83363), (3472, 59545), (4340, 47636), (8680, 23818), (11909, 17360)]