28309560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{877}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 85341600

約数和(自身を除く): 57032040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 877, 1076, 1345, 1614, 1754, 2152, 2631, 2690, 3228, 3508, 4035, 4385, 5262, 5380, 6456, 7016, 8070, 8770, 10524, 10760, 13155, 16140, 17540, 21048, 26310, 32280, 35080, 52620, 105240, 235913, 471826, 707739, 943652, 1179565, 1415478, 1887304, 2359130, 2830956, 3538695, 4718260, 5661912, 7077390, 9436520, 14154780, 28309560]

約数ペア:

[(1, 28309560), (2, 14154780), (3, 9436520), (4, 7077390), (5, 5661912), (6, 4718260), (8, 3538695), (10, 2830956), (12, 2359130), (15, 1887304), (20, 1415478), (24, 1179565), (30, 943652), (40, 707739), (60, 471826), (120, 235913), (269, 105240), (538, 52620), (807, 35080), (877, 32280), (1076, 26310), (1345, 21048), (1614, 17540), (1754, 16140), (2152, 13155), (2631, 10760), (2690, 10524), (3228, 8770), (3508, 8070), (4035, 7016), (4385, 6456), (5262, 5380)]