123459856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 272982528

約数和(自身を除く): 149522672

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 403, 467, 496, 533, 656, 806, 934, 1066, 1271, 1612, 1868, 2132, 2542, 3224, 3736, 4264, 5084, 6071, 6448, 7472, 8528, 10168, 12142, 14477, 16523, 19147, 20336, 24284, 28954, 33046, 38294, 48568, 57908, 66092, 76588, 97136, 115816, 132184, 153176, 188201, 231632, 248911, 264368, 306352, 376402, 497822, 593557, 752804, 995644, 1187114, 1505608, 1991288, 2374228, 3011216, 3982576, 4748456, 7716241, 9496912, 15432482, 30864964, 61729928, 123459856]

約数ペア:

[(1, 123459856), (2, 61729928), (4, 30864964), (8, 15432482), (13, 9496912), (16, 7716241), (26, 4748456), (31, 3982576), (41, 3011216), (52, 2374228), (62, 1991288), (82, 1505608), (104, 1187114), (124, 995644), (164, 752804), (208, 593557), (248, 497822), (328, 376402), (403, 306352), (467, 264368), (496, 248911), (533, 231632), (656, 188201), (806, 153176), (934, 132184), (1066, 115816), (1271, 97136), (1612, 76588), (1868, 66092), (2132, 57908), (2542, 48568), (3224, 38294), (3736, 33046), (4264, 28954), (5084, 24284), (6071, 20336), (6448, 19147), (7472, 16523), (8528, 14477), (10168, 12142)]