77452280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 180986400

約数和(自身を除く): 103534120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 328, 332, 410, 415, 569, 664, 820, 830, 1138, 1640, 1660, 2276, 2845, 3320, 3403, 4552, 5690, 6806, 11380, 13612, 17015, 22760, 23329, 27224, 34030, 46658, 47227, 68060, 93316, 94454, 116645, 136120, 186632, 188908, 233290, 236135, 377816, 466580, 472270, 933160, 944540, 1889080, 1936307, 3872614, 7745228, 9681535, 15490456, 19363070, 38726140, 77452280]

約数ペア:

[(1, 77452280), (2, 38726140), (4, 19363070), (5, 15490456), (8, 9681535), (10, 7745228), (20, 3872614), (40, 1936307), (41, 1889080), (82, 944540), (83, 933160), (164, 472270), (166, 466580), (205, 377816), (328, 236135), (332, 233290), (410, 188908), (415, 186632), (569, 136120), (664, 116645), (820, 94454), (830, 93316), (1138, 68060), (1640, 47227), (1660, 46658), (2276, 34030), (2845, 27224), (3320, 23329), (3403, 22760), (4552, 17015), (5690, 13612), (6806, 11380)]