80743880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16963}}^1$

素因数の和:16998

約数の個数: 64

約数和(自身を含む): 219853440

約数和(自身を除く): 139109560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 16963, 33926, 67852, 84815, 118741, 135704, 169630, 237482, 288371, 339260, 474964, 576742, 593705, 678520, 949928, 1153484, 1187410, 1441855, 2018597, 2306968, 2374820, 2883710, 4037194, 4749640, 5767420, 8074388, 10092985, 11534840, 16148776, 20185970, 40371940, 80743880]

約数ペア:

[(1, 80743880), (2, 40371940), (4, 20185970), (5, 16148776), (7, 11534840), (8, 10092985), (10, 8074388), (14, 5767420), (17, 4749640), (20, 4037194), (28, 2883710), (34, 2374820), (35, 2306968), (40, 2018597), (56, 1441855), (68, 1187410), (70, 1153484), (85, 949928), (119, 678520), (136, 593705), (140, 576742), (170, 474964), (238, 339260), (280, 288371), (340, 237482), (476, 169630), (595, 135704), (680, 118741), (952, 84815), (1190, 67852), (2380, 33926), (4760, 16963)]