2090610

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 80

約数和(自身を含む): 5880600

約数和(自身を除く): 3789990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 89, 90, 135, 145, 162, 174, 178, 261, 267, 270, 290, 405, 435, 445, 522, 534, 783, 801, 810, 870, 890, 1305, 1335, 1566, 1602, 2349, 2403, 2581, 2610, 2670, 3915, 4005, 4698, 4806, 5162, 7209, 7743, 7830, 8010, 11745, 12015, 12905, 14418, 15486, 23229, 23490, 24030, 25810, 36045, 38715, 46458, 69687, 72090, 77430, 116145, 139374, 209061, 232290, 348435, 418122, 696870, 1045305, 2090610]

約数ペア:

[(1, 2090610), (2, 1045305), (3, 696870), (5, 418122), (6, 348435), (9, 232290), (10, 209061), (15, 139374), (18, 116145), (27, 77430), (29, 72090), (30, 69687), (45, 46458), (54, 38715), (58, 36045), (81, 25810), (87, 24030), (89, 23490), (90, 23229), (135, 15486), (145, 14418), (162, 12905), (174, 12015), (178, 11745), (261, 8010), (267, 7830), (270, 7743), (290, 7209), (405, 5162), (435, 4806), (445, 4698), (522, 4005), (534, 3915), (783, 2670), (801, 2610), (810, 2581), (870, 2403), (890, 2349), (1305, 1602), (1335, 1566)]