90621972

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 275184000

約数和(自身を除く): 184562028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 49, 63, 82, 84, 98, 123, 126, 147, 164, 179, 196, 246, 252, 287, 294, 343, 358, 369, 441, 492, 537, 574, 588, 686, 716, 738, 861, 882, 1029, 1074, 1148, 1253, 1372, 1476, 1611, 1722, 1764, 2009, 2058, 2148, 2506, 2583, 3087, 3222, 3444, 3759, 4018, 4116, 5012, 5166, 6027, 6174, 6444, 7339, 7518, 8036, 8771, 10332, 11277, 12054, 12348, 14063, 14678, 15036, 17542, 18081, 22017, 22554, 24108, 26313, 28126, 29356, 35084, 36162, 42189, 44034, 45108, 51373, 52626, 56252, 61397, 66051, 72324, 78939, 84378, 88068, 102746, 105252, 122794, 126567, 132102, 154119, 157878, 168756, 184191, 205492, 245588, 253134, 264204, 308238, 315756, 359611, 368382, 462357, 506268, 552573, 616476, 719222, 736764, 924714, 1078833, 1105146, 1438444, 1849428, 2157666, 2210292, 2517277, 3236499, 4315332, 5034554, 6472998, 7551831, 10069108, 12945996, 15103662, 22655493, 30207324, 45310986, 90621972]

約数ペア:

[(1, 90621972), (2, 45310986), (3, 30207324), (4, 22655493), (6, 15103662), (7, 12945996), (9, 10069108), (12, 7551831), (14, 6472998), (18, 5034554), (21, 4315332), (28, 3236499), (36, 2517277), (41, 2210292), (42, 2157666), (49, 1849428), (63, 1438444), (82, 1105146), (84, 1078833), (98, 924714), (123, 736764), (126, 719222), (147, 616476), (164, 552573), (179, 506268), (196, 462357), (246, 368382), (252, 359611), (287, 315756), (294, 308238), (343, 264204), (358, 253134), (369, 245588), (441, 205492), (492, 184191), (537, 168756), (574, 157878), (588, 154119), (686, 132102), (716, 126567), (738, 122794), (861, 105252), (882, 102746), (1029, 88068), (1074, 84378), (1148, 78939), (1253, 72324), (1372, 66051), (1476, 61397), (1611, 56252), (1722, 52626), (1764, 51373), (2009, 45108), (2058, 44034), (2148, 42189), (2506, 36162), (2583, 35084), (3087, 29356), (3222, 28126), (3444, 26313), (3759, 24108), (4018, 22554), (4116, 22017), (5012, 18081), (5166, 17542), (6027, 15036), (6174, 14678), (6444, 14063), (7339, 12348), (7518, 12054), (8036, 11277), (8771, 10332)]