128511680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3319}}^1$

素因数の和:3358

約数の個数: 84

約数和(自身を含む): 336468720

約数和(自身を除く): 207957040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2420, 3319, 3520, 3872, 4840, 6638, 7744, 9680, 13276, 16595, 19360, 26552, 33190, 36509, 38720, 53104, 66380, 73018, 106208, 132760, 146036, 182545, 212416, 265520, 292072, 365090, 401599, 531040, 584144, 730180, 803198, 1062080, 1168288, 1460360, 1606396, 2007995, 2336576, 2920720, 3212792, 4015990, 5841440, 6425584, 8031980, 11682880, 12851168, 16063960, 25702336, 32127920, 64255840, 128511680]

約数ペア:

[(1, 128511680), (2, 64255840), (4, 32127920), (5, 25702336), (8, 16063960), (10, 12851168), (11, 11682880), (16, 8031980), (20, 6425584), (22, 5841440), (32, 4015990), (40, 3212792), (44, 2920720), (55, 2336576), (64, 2007995), (80, 1606396), (88, 1460360), (110, 1168288), (121, 1062080), (160, 803198), (176, 730180), (220, 584144), (242, 531040), (320, 401599), (352, 365090), (440, 292072), (484, 265520), (605, 212416), (704, 182545), (880, 146036), (968, 132760), (1210, 106208), (1760, 73018), (1936, 66380), (2420, 53104), (3319, 38720), (3520, 36509), (3872, 33190), (4840, 26552), (6638, 19360), (7744, 16595), (9680, 13276)]