256960560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1523}}^1$

素因数の和:1595

約数の個数: 160

約数和(自身を含む): 861730560

約数和(自身を除く): 604770000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 555, 570, 592, 703, 740, 760, 888, 912, 1110, 1140, 1406, 1480, 1520, 1523, 1776, 2109, 2220, 2280, 2812, 2960, 3046, 3515, 4218, 4440, 4560, 4569, 5624, 6092, 7030, 7615, 8436, 8880, 9138, 10545, 11248, 12184, 14060, 15230, 16872, 18276, 21090, 22845, 24368, 28120, 28937, 30460, 33744, 36552, 42180, 45690, 56240, 56351, 57874, 60920, 73104, 84360, 86811, 91380, 112702, 115748, 121840, 144685, 168720, 169053, 173622, 182760, 225404, 231496, 281755, 289370, 338106, 347244, 365520, 434055, 450808, 462992, 563510, 578740, 676212, 694488, 845265, 868110, 901616, 1070669, 1127020, 1157480, 1352424, 1388976, 1690530, 1736220, 2141338, 2254040, 2314960, 2704848, 3212007, 3381060, 3472440, 4282676, 4508080, 5353345, 6424014, 6762120, 6944880, 8565352, 10706690, 12848028, 13524240, 16060035, 17130704, 21413380, 25696056, 32120070, 42826760, 51392112, 64240140, 85653520, 128480280, 256960560]

約数ペア:

[(1, 256960560), (2, 128480280), (3, 85653520), (4, 64240140), (5, 51392112), (6, 42826760), (8, 32120070), (10, 25696056), (12, 21413380), (15, 17130704), (16, 16060035), (19, 13524240), (20, 12848028), (24, 10706690), (30, 8565352), (37, 6944880), (38, 6762120), (40, 6424014), (48, 5353345), (57, 4508080), (60, 4282676), (74, 3472440), (76, 3381060), (80, 3212007), (95, 2704848), (111, 2314960), (114, 2254040), (120, 2141338), (148, 1736220), (152, 1690530), (185, 1388976), (190, 1352424), (222, 1157480), (228, 1127020), (240, 1070669), (285, 901616), (296, 868110), (304, 845265), (370, 694488), (380, 676212), (444, 578740), (456, 563510), (555, 462992), (570, 450808), (592, 434055), (703, 365520), (740, 347244), (760, 338106), (888, 289370), (912, 281755), (1110, 231496), (1140, 225404), (1406, 182760), (1480, 173622), (1520, 169053), (1523, 168720), (1776, 144685), (2109, 121840), (2220, 115748), (2280, 112702), (2812, 91380), (2960, 86811), (3046, 84360), (3515, 73104), (4218, 60920), (4440, 57874), (4560, 56351), (4569, 56240), (5624, 45690), (6092, 42180), (7030, 36552), (7615, 33744), (8436, 30460), (8880, 28937), (9138, 28120), (10545, 24368), (11248, 22845), (12184, 21090), (14060, 18276), (15230, 16872)]