1263920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 80

約数和(自身を含む): 3505728

約数和(自身を除く): 2241808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 61, 70, 74, 80, 112, 122, 140, 148, 185, 244, 259, 280, 296, 305, 370, 427, 488, 518, 560, 592, 610, 740, 854, 976, 1036, 1220, 1295, 1480, 1708, 2072, 2135, 2257, 2440, 2590, 2960, 3416, 4144, 4270, 4514, 4880, 5180, 6832, 8540, 9028, 10360, 11285, 15799, 17080, 18056, 20720, 22570, 31598, 34160, 36112, 45140, 63196, 78995, 90280, 126392, 157990, 180560, 252784, 315980, 631960, 1263920]

約数ペア:

[(1, 1263920), (2, 631960), (4, 315980), (5, 252784), (7, 180560), (8, 157990), (10, 126392), (14, 90280), (16, 78995), (20, 63196), (28, 45140), (35, 36112), (37, 34160), (40, 31598), (56, 22570), (61, 20720), (70, 18056), (74, 17080), (80, 15799), (112, 11285), (122, 10360), (140, 9028), (148, 8540), (185, 6832), (244, 5180), (259, 4880), (280, 4514), (296, 4270), (305, 4144), (370, 3416), (427, 2960), (488, 2590), (518, 2440), (560, 2257), (592, 2135), (610, 2072), (740, 1708), (854, 1480), (976, 1295), (1036, 1220)]