123676280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 348727680

約数和(自身を除く): 225051400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 122, 130, 140, 182, 244, 260, 280, 305, 364, 427, 455, 488, 520, 557, 610, 728, 793, 854, 910, 1114, 1220, 1586, 1708, 1820, 2135, 2228, 2440, 2785, 3172, 3416, 3640, 3899, 3965, 4270, 4456, 5551, 5570, 6344, 7241, 7798, 7930, 8540, 11102, 11140, 14482, 15596, 15860, 17080, 19495, 22204, 22280, 27755, 28964, 31192, 31720, 33977, 36205, 38990, 44408, 50687, 55510, 57928, 67954, 72410, 77980, 101374, 111020, 135908, 144820, 155960, 169885, 202748, 222040, 237839, 253435, 271816, 289640, 339770, 405496, 441701, 475678, 506870, 679540, 883402, 951356, 1013740, 1189195, 1359080, 1766804, 1902712, 2027480, 2208505, 2378390, 3091907, 3533608, 4417010, 4756780, 6183814, 8834020, 9513560, 12367628, 15459535, 17668040, 24735256, 30919070, 61838140, 123676280]

約数ペア:

[(1, 123676280), (2, 61838140), (4, 30919070), (5, 24735256), (7, 17668040), (8, 15459535), (10, 12367628), (13, 9513560), (14, 8834020), (20, 6183814), (26, 4756780), (28, 4417010), (35, 3533608), (40, 3091907), (52, 2378390), (56, 2208505), (61, 2027480), (65, 1902712), (70, 1766804), (91, 1359080), (104, 1189195), (122, 1013740), (130, 951356), (140, 883402), (182, 679540), (244, 506870), (260, 475678), (280, 441701), (305, 405496), (364, 339770), (427, 289640), (455, 271816), (488, 253435), (520, 237839), (557, 222040), (610, 202748), (728, 169885), (793, 155960), (854, 144820), (910, 135908), (1114, 111020), (1220, 101374), (1586, 77980), (1708, 72410), (1820, 67954), (2135, 57928), (2228, 55510), (2440, 50687), (2785, 44408), (3172, 38990), (3416, 36205), (3640, 33977), (3899, 31720), (3965, 31192), (4270, 28964), (4456, 27755), (5551, 22280), (5570, 22204), (6344, 19495), (7241, 17080), (7798, 15860), (7930, 15596), (8540, 14482), (11102, 11140)]