256016760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 786309120

約数和(自身を除く): 530292360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 127, 157, 214, 254, 314, 321, 381, 428, 471, 508, 535, 628, 635, 642, 762, 785, 856, 942, 1016, 1070, 1256, 1270, 1284, 1524, 1570, 1605, 1884, 1905, 2140, 2355, 2540, 2568, 3048, 3140, 3210, 3768, 3810, 4280, 4710, 5080, 6280, 6420, 7620, 9420, 12840, 13589, 15240, 16799, 18840, 19939, 27178, 33598, 39878, 40767, 50397, 54356, 59817, 67196, 67945, 79756, 81534, 83995, 99695, 100794, 108712, 119634, 134392, 135890, 159512, 163068, 167990, 199390, 201588, 203835, 239268, 251985, 271780, 299085, 326136, 335980, 398780, 403176, 407670, 478536, 503970, 543560, 598170, 671960, 797560, 815340, 1007940, 1196340, 1630680, 2015880, 2133473, 2392680, 4266946, 6400419, 8533892, 10667365, 12800838, 17067784, 21334730, 25601676, 32002095, 42669460, 51203352, 64004190, 85338920, 128008380, 256016760]

約数ペア:

[(1, 256016760), (2, 128008380), (3, 85338920), (4, 64004190), (5, 51203352), (6, 42669460), (8, 32002095), (10, 25601676), (12, 21334730), (15, 17067784), (20, 12800838), (24, 10667365), (30, 8533892), (40, 6400419), (60, 4266946), (107, 2392680), (120, 2133473), (127, 2015880), (157, 1630680), (214, 1196340), (254, 1007940), (314, 815340), (321, 797560), (381, 671960), (428, 598170), (471, 543560), (508, 503970), (535, 478536), (628, 407670), (635, 403176), (642, 398780), (762, 335980), (785, 326136), (856, 299085), (942, 271780), (1016, 251985), (1070, 239268), (1256, 203835), (1270, 201588), (1284, 199390), (1524, 167990), (1570, 163068), (1605, 159512), (1884, 135890), (1905, 134392), (2140, 119634), (2355, 108712), (2540, 100794), (2568, 99695), (3048, 83995), (3140, 81534), (3210, 79756), (3768, 67945), (3810, 67196), (4280, 59817), (4710, 54356), (5080, 50397), (6280, 40767), (6420, 39878), (7620, 33598), (9420, 27178), (12840, 19939), (13589, 18840), (15240, 16799)]