1280454416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{337}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 2689493040

約数和(自身を除く): 1409038624

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 229, 244, 272, 337, 458, 488, 674, 916, 976, 1037, 1348, 1832, 2074, 2696, 3664, 3893, 4148, 5392, 5729, 7786, 8296, 11458, 13969, 15572, 16592, 20557, 22916, 27938, 31144, 41114, 45832, 55876, 62288, 77173, 82228, 91664, 111752, 154346, 164456, 223504, 237473, 308692, 328912, 349469, 474946, 617384, 698938, 949892, 1234768, 1311941, 1397876, 1899784, 2623882, 2795752, 3799568, 4707553, 5247764, 5591504, 9415106, 10495528, 18830212, 20991056, 37660424, 75320848, 80028401, 160056802, 320113604, 640227208, 1280454416]

約数ペア:

[(1, 1280454416), (2, 640227208), (4, 320113604), (8, 160056802), (16, 80028401), (17, 75320848), (34, 37660424), (61, 20991056), (68, 18830212), (122, 10495528), (136, 9415106), (229, 5591504), (244, 5247764), (272, 4707553), (337, 3799568), (458, 2795752), (488, 2623882), (674, 1899784), (916, 1397876), (976, 1311941), (1037, 1234768), (1348, 949892), (1832, 698938), (2074, 617384), (2696, 474946), (3664, 349469), (3893, 328912), (4148, 308692), (5392, 237473), (5729, 223504), (7786, 164456), (8296, 154346), (11458, 111752), (13969, 91664), (15572, 82228), (16592, 77173), (20557, 62288), (22916, 55876), (27938, 45832), (31144, 41114)]