66951440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2591}}^1$

素因数の和:2640

約数の個数: 80

約数和(自身を含む): 173560320

約数和(自身を除く): 106608880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 2591, 3230, 5168, 5182, 6460, 10364, 12920, 12955, 20728, 25840, 25910, 41456, 44047, 49229, 51820, 88094, 98458, 103640, 176188, 196916, 207280, 220235, 246145, 352376, 393832, 440470, 492290, 704752, 787664, 836893, 880940, 984580, 1673786, 1761880, 1969160, 3347572, 3523760, 3938320, 4184465, 6695144, 8368930, 13390288, 16737860, 33475720, 66951440]

約数ペア:

[(1, 66951440), (2, 33475720), (4, 16737860), (5, 13390288), (8, 8368930), (10, 6695144), (16, 4184465), (17, 3938320), (19, 3523760), (20, 3347572), (34, 1969160), (38, 1761880), (40, 1673786), (68, 984580), (76, 880940), (80, 836893), (85, 787664), (95, 704752), (136, 492290), (152, 440470), (170, 393832), (190, 352376), (272, 246145), (304, 220235), (323, 207280), (340, 196916), (380, 176188), (646, 103640), (680, 98458), (760, 88094), (1292, 51820), (1360, 49229), (1520, 44047), (1615, 41456), (2584, 25910), (2591, 25840), (3230, 20728), (5168, 12955), (5182, 12920), (6460, 10364)]