457681520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1031}}^1$

素因数の和:1254

約数の個数: 80

約数和(自身を含む): 1105643520

約数和(自身を除く): 647962000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 179, 248, 310, 358, 496, 620, 716, 895, 1031, 1240, 1432, 1790, 2062, 2480, 2864, 3580, 4124, 5155, 5549, 7160, 8248, 10310, 11098, 14320, 16496, 20620, 22196, 27745, 31961, 41240, 44392, 55490, 63922, 82480, 88784, 110980, 127844, 159805, 184549, 221960, 255688, 319610, 369098, 443920, 511376, 639220, 738196, 922745, 1278440, 1476392, 1845490, 2556880, 2952784, 3690980, 5721019, 7381960, 11442038, 14763920, 22884076, 28605095, 45768152, 57210190, 91536304, 114420380, 228840760, 457681520]

約数ペア:

[(1, 457681520), (2, 228840760), (4, 114420380), (5, 91536304), (8, 57210190), (10, 45768152), (16, 28605095), (20, 22884076), (31, 14763920), (40, 11442038), (62, 7381960), (80, 5721019), (124, 3690980), (155, 2952784), (179, 2556880), (248, 1845490), (310, 1476392), (358, 1278440), (496, 922745), (620, 738196), (716, 639220), (895, 511376), (1031, 443920), (1240, 369098), (1432, 319610), (1790, 255688), (2062, 221960), (2480, 184549), (2864, 159805), (3580, 127844), (4124, 110980), (5155, 88784), (5549, 82480), (7160, 63922), (8248, 55490), (10310, 44392), (11098, 41240), (14320, 31961), (16496, 27745), (20620, 22196)]