72411920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{677}}^1$

素因数の和:888

約数の個数: 80

約数和(自身を含む): 193701888

約数和(自身を除く): 121289968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 280, 382, 560, 677, 764, 955, 1337, 1354, 1528, 1910, 2674, 2708, 3056, 3385, 3820, 4739, 5348, 5416, 6685, 6770, 7640, 9478, 10696, 10832, 13370, 13540, 15280, 18956, 21392, 23695, 26740, 27080, 37912, 47390, 53480, 54160, 75824, 94780, 106960, 129307, 189560, 258614, 379120, 517228, 646535, 905149, 1034456, 1293070, 1810298, 2068912, 2586140, 3620596, 4525745, 5172280, 7241192, 9051490, 10344560, 14482384, 18102980, 36205960, 72411920]

約数ペア:

[(1, 72411920), (2, 36205960), (4, 18102980), (5, 14482384), (7, 10344560), (8, 9051490), (10, 7241192), (14, 5172280), (16, 4525745), (20, 3620596), (28, 2586140), (35, 2068912), (40, 1810298), (56, 1293070), (70, 1034456), (80, 905149), (112, 646535), (140, 517228), (191, 379120), (280, 258614), (382, 189560), (560, 129307), (677, 106960), (764, 94780), (955, 75824), (1337, 54160), (1354, 53480), (1528, 47390), (1910, 37912), (2674, 27080), (2708, 26740), (3056, 23695), (3385, 21392), (3820, 18956), (4739, 15280), (5348, 13540), (5416, 13370), (6685, 10832), (6770, 10696), (7640, 9478)]