84788720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 205701120

約数和(自身を除く): 120912400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 179, 191, 248, 310, 358, 382, 496, 620, 716, 764, 895, 955, 1240, 1432, 1528, 1790, 1910, 2480, 2864, 3056, 3580, 3820, 5549, 5921, 7160, 7640, 11098, 11842, 14320, 15280, 22196, 23684, 27745, 29605, 34189, 44392, 47368, 55490, 59210, 68378, 88784, 94736, 110980, 118420, 136756, 170945, 221960, 236840, 273512, 341890, 443920, 473680, 547024, 683780, 1059859, 1367560, 2119718, 2735120, 4239436, 5299295, 8478872, 10598590, 16957744, 21197180, 42394360, 84788720]

約数ペア:

[(1, 84788720), (2, 42394360), (4, 21197180), (5, 16957744), (8, 10598590), (10, 8478872), (16, 5299295), (20, 4239436), (31, 2735120), (40, 2119718), (62, 1367560), (80, 1059859), (124, 683780), (155, 547024), (179, 473680), (191, 443920), (248, 341890), (310, 273512), (358, 236840), (382, 221960), (496, 170945), (620, 136756), (716, 118420), (764, 110980), (895, 94736), (955, 88784), (1240, 68378), (1432, 59210), (1528, 55490), (1790, 47368), (1910, 44392), (2480, 34189), (2864, 29605), (3056, 27745), (3580, 23684), (3820, 22196), (5549, 15280), (5921, 14320), (7160, 11842), (7640, 11098)]