254901360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2231

約数の個数: 160

約数和(自身を含む): 916227072

約数和(自身を除く): 661325712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 710, 840, 852, 994, 1065, 1136, 1420, 1491, 1680, 1704, 1988, 2130, 2137, 2485, 2840, 2982, 3408, 3976, 4260, 4274, 4970, 5680, 5964, 6411, 7455, 7952, 8520, 8548, 9940, 10685, 11928, 12822, 14910, 14959, 17040, 17096, 19880, 21370, 23856, 25644, 29820, 29918, 32055, 34192, 39760, 42740, 44877, 51288, 59640, 59836, 64110, 74795, 85480, 89754, 102576, 119280, 119672, 128220, 149590, 151727, 170960, 179508, 224385, 239344, 256440, 299180, 303454, 359016, 448770, 455181, 512880, 598360, 606908, 718032, 758635, 897540, 910362, 1062089, 1196720, 1213816, 1517270, 1795080, 1820724, 2124178, 2275905, 2427632, 3034540, 3186267, 3590160, 3641448, 4248356, 4551810, 5310445, 6069080, 6372534, 7282896, 8496712, 9103620, 10620890, 12138160, 12745068, 15931335, 16993424, 18207240, 21241780, 25490136, 31862670, 36414480, 42483560, 50980272, 63725340, 84967120, 127450680, 254901360]

約数ペア:

[(1, 254901360), (2, 127450680), (3, 84967120), (4, 63725340), (5, 50980272), (6, 42483560), (7, 36414480), (8, 31862670), (10, 25490136), (12, 21241780), (14, 18207240), (15, 16993424), (16, 15931335), (20, 12745068), (21, 12138160), (24, 10620890), (28, 9103620), (30, 8496712), (35, 7282896), (40, 6372534), (42, 6069080), (48, 5310445), (56, 4551810), (60, 4248356), (70, 3641448), (71, 3590160), (80, 3186267), (84, 3034540), (105, 2427632), (112, 2275905), (120, 2124178), (140, 1820724), (142, 1795080), (168, 1517270), (210, 1213816), (213, 1196720), (240, 1062089), (280, 910362), (284, 897540), (336, 758635), (355, 718032), (420, 606908), (426, 598360), (497, 512880), (560, 455181), (568, 448770), (710, 359016), (840, 303454), (852, 299180), (994, 256440), (1065, 239344), (1136, 224385), (1420, 179508), (1491, 170960), (1680, 151727), (1704, 149590), (1988, 128220), (2130, 119672), (2137, 119280), (2485, 102576), (2840, 89754), (2982, 85480), (3408, 74795), (3976, 64110), (4260, 59836), (4274, 59640), (4970, 51288), (5680, 44877), (5964, 42740), (6411, 39760), (7455, 34192), (7952, 32055), (8520, 29918), (8548, 29820), (9940, 25644), (10685, 23856), (11928, 21370), (12822, 19880), (14910, 17096), (14959, 17040)]