8215480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 23748480

約数和(自身を除く): 15533000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 61, 65, 70, 74, 91, 104, 122, 130, 140, 148, 182, 185, 244, 259, 260, 280, 296, 305, 364, 370, 427, 455, 481, 488, 518, 520, 610, 728, 740, 793, 854, 910, 962, 1036, 1220, 1295, 1480, 1586, 1708, 1820, 1924, 2072, 2135, 2257, 2405, 2440, 2590, 3172, 3367, 3416, 3640, 3848, 3965, 4270, 4514, 4810, 5180, 5551, 6344, 6734, 7930, 8540, 9028, 9620, 10360, 11102, 11285, 13468, 15799, 15860, 16835, 17080, 18056, 19240, 22204, 22570, 26936, 27755, 29341, 31598, 31720, 33670, 44408, 45140, 55510, 58682, 63196, 67340, 78995, 90280, 111020, 117364, 126392, 134680, 146705, 157990, 205387, 222040, 234728, 293410, 315980, 410774, 586820, 631960, 821548, 1026935, 1173640, 1643096, 2053870, 4107740, 8215480]

約数ペア:

[(1, 8215480), (2, 4107740), (4, 2053870), (5, 1643096), (7, 1173640), (8, 1026935), (10, 821548), (13, 631960), (14, 586820), (20, 410774), (26, 315980), (28, 293410), (35, 234728), (37, 222040), (40, 205387), (52, 157990), (56, 146705), (61, 134680), (65, 126392), (70, 117364), (74, 111020), (91, 90280), (104, 78995), (122, 67340), (130, 63196), (140, 58682), (148, 55510), (182, 45140), (185, 44408), (244, 33670), (259, 31720), (260, 31598), (280, 29341), (296, 27755), (305, 26936), (364, 22570), (370, 22204), (427, 19240), (455, 18056), (481, 17080), (488, 16835), (518, 15860), (520, 15799), (610, 13468), (728, 11285), (740, 11102), (793, 10360), (854, 9620), (910, 9028), (962, 8540), (1036, 7930), (1220, 6734), (1295, 6344), (1480, 5551), (1586, 5180), (1708, 4810), (1820, 4514), (1924, 4270), (2072, 3965), (2135, 3848), (2257, 3640), (2405, 3416), (2440, 3367), (2590, 3172)]