201016920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128857}}^1$

素因数の和:128884

約数の個数: 64

約数和(自身を含む): 649444320

約数和(自身を除く): 448427400

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, 128857, 257714, 386571, 515428, 644285, 773142, 1030856, 1288570, 1546284, 1675141, 1932855, 2577140, 3092568, 3350282, 3865710, 5025423, 5154280, 6700564, 7731420, 8375705, 10050846, 13401128, 15462840, 16751410, 20101692, 25127115, 33502820, 40203384, 50254230, 67005640, 100508460, 201016920]

約数ペア:

[(1, 201016920), (2, 100508460), (3, 67005640), (4, 50254230), (5, 40203384), (6, 33502820), (8, 25127115), (10, 20101692), (12, 16751410), (13, 15462840), (15, 13401128), (20, 10050846), (24, 8375705), (26, 7731420), (30, 6700564), (39, 5154280), (40, 5025423), (52, 3865710), (60, 3350282), (65, 3092568), (78, 2577140), (104, 1932855), (120, 1675141), (130, 1546284), (156, 1288570), (195, 1030856), (260, 773142), (312, 644285), (390, 515428), (520, 386571), (780, 257714), (1560, 128857)]