68538320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:772

約数の個数: 80

約数和(自身を含む): 170495040

約数和(自身を除く): 101956720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 536, 670, 673, 760, 1072, 1273, 1340, 1346, 1520, 2546, 2680, 2692, 3365, 5092, 5360, 5384, 6365, 6730, 10184, 10768, 12730, 12787, 13460, 20368, 25460, 25574, 26920, 45091, 50920, 51148, 53840, 63935, 90182, 101840, 102296, 127870, 180364, 204592, 225455, 255740, 360728, 450910, 511480, 721456, 856729, 901820, 1022960, 1713458, 1803640, 3426916, 3607280, 4283645, 6853832, 8567290, 13707664, 17134580, 34269160, 68538320]

約数ペア:

[(1, 68538320), (2, 34269160), (4, 17134580), (5, 13707664), (8, 8567290), (10, 6853832), (16, 4283645), (19, 3607280), (20, 3426916), (38, 1803640), (40, 1713458), (67, 1022960), (76, 901820), (80, 856729), (95, 721456), (134, 511480), (152, 450910), (190, 360728), (268, 255740), (304, 225455), (335, 204592), (380, 180364), (536, 127870), (670, 102296), (673, 101840), (760, 90182), (1072, 63935), (1273, 53840), (1340, 51148), (1346, 50920), (1520, 45091), (2546, 26920), (2680, 25574), (2692, 25460), (3365, 20368), (5092, 13460), (5360, 12787), (5384, 12730), (6365, 10768), (6730, 10184)]