128915856

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{28879}}^1$

素因数の和:28924

約数の個数: 60

約数和(自身を含む): 372436480

約数和(自身を除く): 243520624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 28879, 57758, 86637, 115516, 173274, 231032, 259911, 346548, 462064, 519822, 693096, 895249, 1039644, 1386192, 1790498, 2079288, 2685747, 3580996, 4158576, 5371494, 7161992, 8057241, 10742988, 14323984, 16114482, 21485976, 32228964, 42971952, 64457928, 128915856]

約数ペア:

[(1, 128915856), (2, 64457928), (3, 42971952), (4, 32228964), (6, 21485976), (8, 16114482), (9, 14323984), (12, 10742988), (16, 8057241), (18, 7161992), (24, 5371494), (31, 4158576), (36, 3580996), (48, 2685747), (62, 2079288), (72, 1790498), (93, 1386192), (124, 1039644), (144, 895249), (186, 693096), (248, 519822), (279, 462064), (372, 346548), (496, 259911), (558, 231032), (744, 173274), (1116, 115516), (1488, 86637), (2232, 57758), (4464, 28879)]