7312720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 19016640

約数和(自身を除く): 11703920

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, 283, 304, 323, 340, 380, 566, 646, 680, 760, 1132, 1292, 1360, 1415, 1520, 1615, 2264, 2584, 2830, 3230, 4528, 4811, 5168, 5377, 5660, 6460, 9622, 10754, 11320, 12920, 19244, 21508, 22640, 24055, 25840, 26885, 38488, 43016, 48110, 53770, 76976, 86032, 91409, 96220, 107540, 182818, 192440, 215080, 365636, 384880, 430160, 457045, 731272, 914090, 1462544, 1828180, 3656360, 7312720]

約数ペア:

[(1, 7312720), (2, 3656360), (4, 1828180), (5, 1462544), (8, 914090), (10, 731272), (16, 457045), (17, 430160), (19, 384880), (20, 365636), (34, 215080), (38, 192440), (40, 182818), (68, 107540), (76, 96220), (80, 91409), (85, 86032), (95, 76976), (136, 53770), (152, 48110), (170, 43016), (190, 38488), (272, 26885), (283, 25840), (304, 24055), (323, 22640), (340, 21508), (380, 19244), (566, 12920), (646, 11320), (680, 10754), (760, 9622), (1132, 6460), (1292, 5660), (1360, 5377), (1415, 5168), (1520, 4811), (1615, 4528), (2264, 3230), (2584, 2830)]