2169180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 7399392

約数和(自身を除く): 5230212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 103, 108, 117, 130, 135, 156, 162, 180, 195, 206, 234, 260, 270, 309, 324, 351, 390, 405, 412, 468, 515, 540, 585, 618, 702, 780, 810, 927, 1030, 1053, 1170, 1236, 1339, 1404, 1545, 1620, 1755, 1854, 2060, 2106, 2340, 2678, 2781, 3090, 3510, 3708, 4017, 4212, 4635, 5265, 5356, 5562, 6180, 6695, 7020, 8034, 8343, 9270, 10530, 11124, 12051, 13390, 13905, 16068, 16686, 18540, 20085, 21060, 24102, 26780, 27810, 33372, 36153, 40170, 41715, 48204, 55620, 60255, 72306, 80340, 83430, 108459, 120510, 144612, 166860, 180765, 216918, 241020, 361530, 433836, 542295, 723060, 1084590, 2169180]

約数ペア:

[(1, 2169180), (2, 1084590), (3, 723060), (4, 542295), (5, 433836), (6, 361530), (9, 241020), (10, 216918), (12, 180765), (13, 166860), (15, 144612), (18, 120510), (20, 108459), (26, 83430), (27, 80340), (30, 72306), (36, 60255), (39, 55620), (45, 48204), (52, 41715), (54, 40170), (60, 36153), (65, 33372), (78, 27810), (81, 26780), (90, 24102), (103, 21060), (108, 20085), (117, 18540), (130, 16686), (135, 16068), (156, 13905), (162, 13390), (180, 12051), (195, 11124), (206, 10530), (234, 9270), (260, 8343), (270, 8034), (309, 7020), (324, 6695), (351, 6180), (390, 5562), (405, 5356), (412, 5265), (468, 4635), (515, 4212), (540, 4017), (585, 3708), (618, 3510), (702, 3090), (780, 2781), (810, 2678), (927, 2340), (1030, 2106), (1053, 2060), (1170, 1854), (1236, 1755), (1339, 1620), (1404, 1545)]