30401840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^2$

素因数の和:486

約数の個数: 60

約数和(自身を含む): 81130224

約数和(自身を除く): 50728384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 280, 466, 560, 932, 1165, 1631, 1864, 2330, 3262, 3728, 4660, 6524, 8155, 9320, 13048, 16310, 18640, 26096, 32620, 54289, 65240, 108578, 130480, 217156, 271445, 380023, 434312, 542890, 760046, 868624, 1085780, 1520092, 1900115, 2171560, 3040184, 3800230, 4343120, 6080368, 7600460, 15200920, 30401840]

約数ペア:

[(1, 30401840), (2, 15200920), (4, 7600460), (5, 6080368), (7, 4343120), (8, 3800230), (10, 3040184), (14, 2171560), (16, 1900115), (20, 1520092), (28, 1085780), (35, 868624), (40, 760046), (56, 542890), (70, 434312), (80, 380023), (112, 271445), (140, 217156), (233, 130480), (280, 108578), (466, 65240), (560, 54289), (932, 32620), (1165, 26096), (1631, 18640), (1864, 16310), (2330, 13048), (3262, 9320), (3728, 8155), (4660, 6524)]