69989680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1054

約数の個数: 80

約数和(自身を含む): 175729824

約数和(自身を除く): 105740144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 212, 265, 272, 340, 424, 530, 680, 848, 901, 971, 1060, 1360, 1802, 1942, 2120, 3604, 3884, 4240, 4505, 4855, 7208, 7768, 9010, 9710, 14416, 15536, 16507, 18020, 19420, 33014, 36040, 38840, 51463, 66028, 72080, 77680, 82535, 102926, 132056, 165070, 205852, 257315, 264112, 330140, 411704, 514630, 660280, 823408, 874871, 1029260, 1320560, 1749742, 2058520, 3499484, 4117040, 4374355, 6998968, 8748710, 13997936, 17497420, 34994840, 69989680]

約数ペア:

[(1, 69989680), (2, 34994840), (4, 17497420), (5, 13997936), (8, 8748710), (10, 6998968), (16, 4374355), (17, 4117040), (20, 3499484), (34, 2058520), (40, 1749742), (53, 1320560), (68, 1029260), (80, 874871), (85, 823408), (106, 660280), (136, 514630), (170, 411704), (212, 330140), (265, 264112), (272, 257315), (340, 205852), (424, 165070), (530, 132056), (680, 102926), (848, 82535), (901, 77680), (971, 72080), (1060, 66028), (1360, 51463), (1802, 38840), (1942, 36040), (2120, 33014), (3604, 19420), (3884, 18020), (4240, 16507), (4505, 15536), (4855, 14416), (7208, 9710), (7768, 9010)]