128591460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9043}}^1$

素因数の和:9137

約数の個数: 72

約数和(自身を含む): 395041920

約数和(自身を除く): 266450460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 9043, 14220, 18086, 27129, 36172, 45215, 54258, 81387, 90430, 108516, 135645, 162774, 180860, 271290, 325548, 406935, 542580, 714397, 813870, 1428794, 1627740, 2143191, 2857588, 3571985, 4286382, 6429573, 7143970, 8572764, 10715955, 12859146, 14287940, 21431910, 25718292, 32147865, 42863820, 64295730, 128591460]

約数ペア:

[(1, 128591460), (2, 64295730), (3, 42863820), (4, 32147865), (5, 25718292), (6, 21431910), (9, 14287940), (10, 12859146), (12, 10715955), (15, 8572764), (18, 7143970), (20, 6429573), (30, 4286382), (36, 3571985), (45, 2857588), (60, 2143191), (79, 1627740), (90, 1428794), (158, 813870), (180, 714397), (237, 542580), (316, 406935), (395, 325548), (474, 271290), (711, 180860), (790, 162774), (948, 135645), (1185, 108516), (1422, 90430), (1580, 81387), (2370, 54258), (2844, 45215), (3555, 36172), (4740, 27129), (7110, 18086), (9043, 14220)]