206979240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132679}}^1$

素因数の和:132706

約数の個数: 64

約数和(自身を含む): 668707200

約数和(自身を除く): 461727960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 132679, 265358, 398037, 530716, 663395, 796074, 1061432, 1326790, 1592148, 1724827, 1990185, 2653580, 3184296, 3449654, 3980370, 5174481, 5307160, 6899308, 7960740, 8624135, 10348962, 13798616, 15921480, 17248270, 20697924, 25872405, 34496540, 41395848, 51744810, 68993080, 103489620, 206979240]

約数ペア:

[(1, 206979240), (2, 103489620), (3, 68993080), (4, 51744810), (5, 41395848), (6, 34496540), (8, 25872405), (10, 20697924), (12, 17248270), (13, 15921480), (15, 13798616), (20, 10348962), (24, 8624135), (26, 7960740), (30, 6899308), (39, 5307160), (40, 5174481), (52, 3980370), (60, 3449654), (65, 3184296), (78, 2653580), (104, 1990185), (120, 1724827), (130, 1592148), (156, 1326790), (195, 1061432), (260, 796074), (312, 663395), (390, 530716), (520, 398037), (780, 265358), (1560, 132679)]