90327720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{563}}^1$

素因数の和:775

約数の個数: 128

約数和(自身を含む): 311869440

約数和(自身を除く): 221541720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 191, 210, 280, 382, 420, 563, 573, 764, 840, 955, 1126, 1146, 1337, 1528, 1689, 1910, 2252, 2292, 2674, 2815, 2865, 3378, 3820, 3941, 4011, 4504, 4584, 5348, 5630, 5730, 6685, 6756, 7640, 7882, 8022, 8445, 10696, 11260, 11460, 11823, 13370, 13512, 15764, 16044, 16890, 19705, 20055, 22520, 22920, 23646, 26740, 31528, 32088, 33780, 39410, 40110, 47292, 53480, 59115, 67560, 78820, 80220, 94584, 107533, 118230, 157640, 160440, 215066, 236460, 322599, 430132, 472920, 537665, 645198, 752731, 860264, 1075330, 1290396, 1505462, 1612995, 2150660, 2258193, 2580792, 3010924, 3225990, 3763655, 4301320, 4516386, 6021848, 6451980, 7527310, 9032772, 11290965, 12903960, 15054620, 18065544, 22581930, 30109240, 45163860, 90327720]

約数ペア:

[(1, 90327720), (2, 45163860), (3, 30109240), (4, 22581930), (5, 18065544), (6, 15054620), (7, 12903960), (8, 11290965), (10, 9032772), (12, 7527310), (14, 6451980), (15, 6021848), (20, 4516386), (21, 4301320), (24, 3763655), (28, 3225990), (30, 3010924), (35, 2580792), (40, 2258193), (42, 2150660), (56, 1612995), (60, 1505462), (70, 1290396), (84, 1075330), (105, 860264), (120, 752731), (140, 645198), (168, 537665), (191, 472920), (210, 430132), (280, 322599), (382, 236460), (420, 215066), (563, 160440), (573, 157640), (764, 118230), (840, 107533), (955, 94584), (1126, 80220), (1146, 78820), (1337, 67560), (1528, 59115), (1689, 53480), (1910, 47292), (2252, 40110), (2292, 39410), (2674, 33780), (2815, 32088), (2865, 31528), (3378, 26740), (3820, 23646), (3941, 22920), (4011, 22520), (4504, 20055), (4584, 19705), (5348, 16890), (5630, 16044), (5730, 15764), (6685, 13512), (6756, 13370), (7640, 11823), (7882, 11460), (8022, 11260), (8445, 10696)]