648149940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{22091}}^1$

素因数の和:22269

約数の個数: 72

約数和(自身を含む): 1978206048

約数和(自身を除く): 1330056108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5868, 7335, 9780, 14670, 22091, 29340, 44182, 66273, 88364, 110455, 132546, 198819, 220910, 265092, 331365, 397638, 441820, 662730, 795276, 994095, 1325460, 1988190, 3600833, 3976380, 7201666, 10802499, 14403332, 18004165, 21604998, 32407497, 36008330, 43209996, 54012495, 64814994, 72016660, 108024990, 129629988, 162037485, 216049980, 324074970, 648149940]

約数ペア:

[(1, 648149940), (2, 324074970), (3, 216049980), (4, 162037485), (5, 129629988), (6, 108024990), (9, 72016660), (10, 64814994), (12, 54012495), (15, 43209996), (18, 36008330), (20, 32407497), (30, 21604998), (36, 18004165), (45, 14403332), (60, 10802499), (90, 7201666), (163, 3976380), (180, 3600833), (326, 1988190), (489, 1325460), (652, 994095), (815, 795276), (978, 662730), (1467, 441820), (1630, 397638), (1956, 331365), (2445, 265092), (2934, 220910), (3260, 198819), (4890, 132546), (5868, 110455), (7335, 88364), (9780, 66273), (14670, 44182), (22091, 29340)]