31141280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^2$

素因数の和:246

約数の個数: 72

約数和(自身を含む): 78633828

約数和(自身を除く): 47492548

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 107, 136, 160, 170, 214, 272, 340, 428, 535, 544, 680, 856, 1070, 1360, 1712, 1819, 2140, 2720, 3424, 3638, 4280, 7276, 8560, 9095, 11449, 14552, 17120, 18190, 22898, 29104, 36380, 45796, 57245, 58208, 72760, 91592, 114490, 145520, 183184, 194633, 228980, 291040, 366368, 389266, 457960, 778532, 915920, 973165, 1557064, 1831840, 1946330, 3114128, 3892660, 6228256, 7785320, 15570640, 31141280]

約数ペア:

[(1, 31141280), (2, 15570640), (4, 7785320), (5, 6228256), (8, 3892660), (10, 3114128), (16, 1946330), (17, 1831840), (20, 1557064), (32, 973165), (34, 915920), (40, 778532), (68, 457960), (80, 389266), (85, 366368), (107, 291040), (136, 228980), (160, 194633), (170, 183184), (214, 145520), (272, 114490), (340, 91592), (428, 72760), (535, 58208), (544, 57245), (680, 45796), (856, 36380), (1070, 29104), (1360, 22898), (1712, 18190), (1819, 17120), (2140, 14552), (2720, 11449), (3424, 9095), (3638, 8560), (4280, 7276)]