81516840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35753}}^1$

素因数の和:35786

約数の個数: 64

約数和(自身を含む): 257428800

約数和(自身を除く): 175911960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 35753, 71506, 107259, 143012, 178765, 214518, 286024, 357530, 429036, 536295, 679307, 715060, 858072, 1072590, 1358614, 1430120, 2037921, 2145180, 2717228, 3396535, 4075842, 4290360, 5434456, 6793070, 8151684, 10189605, 13586140, 16303368, 20379210, 27172280, 40758420, 81516840]

約数ペア:

[(1, 81516840), (2, 40758420), (3, 27172280), (4, 20379210), (5, 16303368), (6, 13586140), (8, 10189605), (10, 8151684), (12, 6793070), (15, 5434456), (19, 4290360), (20, 4075842), (24, 3396535), (30, 2717228), (38, 2145180), (40, 2037921), (57, 1430120), (60, 1358614), (76, 1072590), (95, 858072), (114, 715060), (120, 679307), (152, 536295), (190, 429036), (228, 357530), (285, 286024), (380, 214518), (456, 178765), (570, 143012), (760, 107259), (1140, 71506), (2280, 35753)]