66578880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:554

約数の個数: 112

約数和(自身を含む): 213018624

約数和(自身を除く): 146439744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 223, 240, 311, 320, 446, 480, 622, 669, 892, 933, 960, 1115, 1244, 1338, 1555, 1784, 1866, 2230, 2488, 2676, 3110, 3345, 3568, 3732, 4460, 4665, 4976, 5352, 6220, 6690, 7136, 7464, 8920, 9330, 9952, 10704, 12440, 13380, 14272, 14928, 17840, 18660, 19904, 21408, 24880, 26760, 29856, 35680, 37320, 42816, 49760, 53520, 59712, 69353, 71360, 74640, 99520, 107040, 138706, 149280, 208059, 214080, 277412, 298560, 346765, 416118, 554824, 693530, 832236, 1040295, 1109648, 1387060, 1664472, 2080590, 2219296, 2774120, 3328944, 4161180, 4438592, 5548240, 6657888, 8322360, 11096480, 13315776, 16644720, 22192960, 33289440, 66578880]

約数ペア:

[(1, 66578880), (2, 33289440), (3, 22192960), (4, 16644720), (5, 13315776), (6, 11096480), (8, 8322360), (10, 6657888), (12, 5548240), (15, 4438592), (16, 4161180), (20, 3328944), (24, 2774120), (30, 2219296), (32, 2080590), (40, 1664472), (48, 1387060), (60, 1109648), (64, 1040295), (80, 832236), (96, 693530), (120, 554824), (160, 416118), (192, 346765), (223, 298560), (240, 277412), (311, 214080), (320, 208059), (446, 149280), (480, 138706), (622, 107040), (669, 99520), (892, 74640), (933, 71360), (960, 69353), (1115, 59712), (1244, 53520), (1338, 49760), (1555, 42816), (1784, 37320), (1866, 35680), (2230, 29856), (2488, 26760), (2676, 24880), (3110, 21408), (3345, 19904), (3568, 18660), (3732, 17840), (4460, 14928), (4665, 14272), (4976, 13380), (5352, 12440), (6220, 10704), (6690, 9952), (7136, 9330), (7464, 8920)]