256353168

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 732810240

約数和(自身を除く): 476457072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 37, 38, 48, 57, 71, 74, 76, 107, 111, 114, 142, 148, 152, 213, 214, 222, 228, 284, 296, 304, 321, 426, 428, 444, 456, 568, 592, 642, 703, 852, 856, 888, 912, 1136, 1284, 1349, 1406, 1704, 1712, 1776, 2033, 2109, 2568, 2627, 2698, 2812, 3408, 3959, 4047, 4066, 4218, 5136, 5254, 5396, 5624, 6099, 7597, 7881, 7918, 8094, 8132, 8436, 10508, 10792, 11248, 11877, 12198, 15194, 15762, 15836, 16188, 16264, 16872, 21016, 21584, 22791, 23754, 24396, 30388, 31524, 31672, 32376, 32528, 33744, 42032, 45582, 47508, 48792, 49913, 60776, 63048, 63344, 64752, 75221, 91164, 95016, 97584, 99826, 121552, 126096, 144343, 149739, 150442, 182328, 190032, 199652, 225663, 281089, 288686, 299478, 300884, 364656, 399304, 433029, 451326, 562178, 577372, 598956, 601768, 798608, 843267, 866058, 902652, 1124356, 1154744, 1197912, 1203536, 1686534, 1732116, 1805304, 2248712, 2309488, 2395824, 3373068, 3464232, 3610608, 4497424, 5340691, 6746136, 6928464, 10681382, 13492272, 16022073, 21362764, 32044146, 42725528, 64088292, 85451056, 128176584, 256353168]

約数ペア:

[(1, 256353168), (2, 128176584), (3, 85451056), (4, 64088292), (6, 42725528), (8, 32044146), (12, 21362764), (16, 16022073), (19, 13492272), (24, 10681382), (37, 6928464), (38, 6746136), (48, 5340691), (57, 4497424), (71, 3610608), (74, 3464232), (76, 3373068), (107, 2395824), (111, 2309488), (114, 2248712), (142, 1805304), (148, 1732116), (152, 1686534), (213, 1203536), (214, 1197912), (222, 1154744), (228, 1124356), (284, 902652), (296, 866058), (304, 843267), (321, 798608), (426, 601768), (428, 598956), (444, 577372), (456, 562178), (568, 451326), (592, 433029), (642, 399304), (703, 364656), (852, 300884), (856, 299478), (888, 288686), (912, 281089), (1136, 225663), (1284, 199652), (1349, 190032), (1406, 182328), (1704, 150442), (1712, 149739), (1776, 144343), (2033, 126096), (2109, 121552), (2568, 99826), (2627, 97584), (2698, 95016), (2812, 91164), (3408, 75221), (3959, 64752), (4047, 63344), (4066, 63048), (4218, 60776), (5136, 49913), (5254, 48792), (5396, 47508), (5624, 45582), (6099, 42032), (7597, 33744), (7881, 32528), (7918, 32376), (8094, 31672), (8132, 31524), (8436, 30388), (10508, 24396), (10792, 23754), (11248, 22791), (11877, 21584), (12198, 21016), (15194, 16872), (15762, 16264), (15836, 16188)]