215294376

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 618710400

約数和(自身を除く): 403416024

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 44, 58, 61, 66, 87, 88, 116, 122, 132, 174, 183, 232, 244, 264, 319, 348, 366, 461, 488, 638, 671, 696, 732, 922, 957, 1276, 1342, 1383, 1464, 1769, 1844, 1914, 2013, 2552, 2684, 2766, 3538, 3688, 3828, 4026, 5071, 5307, 5368, 5532, 7076, 7656, 8052, 10142, 10614, 11064, 13369, 14152, 15213, 16104, 19459, 20284, 21228, 26738, 28121, 30426, 38918, 40107, 40568, 42456, 53476, 56242, 58377, 60852, 77836, 80214, 84363, 106952, 112484, 116754, 121704, 147059, 155672, 160428, 168726, 224968, 233508, 294118, 309331, 320856, 337452, 441177, 467016, 588236, 618662, 674904, 815509, 882354, 927993, 1176472, 1237324, 1631018, 1764708, 1855986, 2446527, 2474648, 3262036, 3529416, 3711972, 4893054, 6524072, 7423944, 8970599, 9786108, 17941198, 19572216, 26911797, 35882396, 53823594, 71764792, 107647188, 215294376]

約数ペア:

[(1, 215294376), (2, 107647188), (3, 71764792), (4, 53823594), (6, 35882396), (8, 26911797), (11, 19572216), (12, 17941198), (22, 9786108), (24, 8970599), (29, 7423944), (33, 6524072), (44, 4893054), (58, 3711972), (61, 3529416), (66, 3262036), (87, 2474648), (88, 2446527), (116, 1855986), (122, 1764708), (132, 1631018), (174, 1237324), (183, 1176472), (232, 927993), (244, 882354), (264, 815509), (319, 674904), (348, 618662), (366, 588236), (461, 467016), (488, 441177), (638, 337452), (671, 320856), (696, 309331), (732, 294118), (922, 233508), (957, 224968), (1276, 168726), (1342, 160428), (1383, 155672), (1464, 147059), (1769, 121704), (1844, 116754), (1914, 112484), (2013, 106952), (2552, 84363), (2684, 80214), (2766, 77836), (3538, 60852), (3688, 58377), (3828, 56242), (4026, 53476), (5071, 42456), (5307, 40568), (5368, 40107), (5532, 38918), (7076, 30426), (7656, 28121), (8052, 26738), (10142, 21228), (10614, 20284), (11064, 19459), (13369, 16104), (14152, 15213)]