688313120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 192

約数和(自身を含む): 1857655296

約数和(自身を除く): 1169342176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 53, 55, 80, 88, 94, 106, 110, 157, 160, 176, 188, 212, 220, 235, 265, 314, 352, 376, 424, 440, 470, 517, 530, 583, 628, 752, 785, 848, 880, 940, 1034, 1060, 1166, 1256, 1504, 1570, 1696, 1727, 1760, 1880, 2068, 2120, 2332, 2491, 2512, 2585, 2915, 3140, 3454, 3760, 4136, 4240, 4664, 4982, 5024, 5170, 5830, 6280, 6908, 7379, 7520, 8272, 8321, 8480, 8635, 9328, 9964, 10340, 11660, 12455, 12560, 13816, 14758, 16544, 16642, 17270, 18656, 19928, 20680, 23320, 24910, 25120, 27401, 27632, 29516, 33284, 34540, 36895, 39856, 41360, 41605, 46640, 49820, 54802, 55264, 59032, 66568, 69080, 73790, 79712, 81169, 82720, 83210, 91531, 93280, 99640, 109604, 118064, 133136, 137005, 138160, 147580, 162338, 166420, 183062, 199280, 219208, 236128, 266272, 274010, 276320, 295160, 324676, 332840, 366124, 391087, 398560, 405845, 438416, 457655, 548020, 590320, 649352, 665680, 732248, 782174, 811690, 876832, 915310, 1096040, 1180640, 1298704, 1331360, 1464496, 1564348, 1623380, 1830620, 1955435, 2192080, 2597408, 2928992, 3128696, 3246760, 3661240, 3910870, 4301957, 4384160, 6257392, 6493520, 7322480, 7821740, 8603914, 12514784, 12987040, 14644960, 15643480, 17207828, 21509785, 31286960, 34415656, 43019570, 62573920, 68831312, 86039140, 137662624, 172078280, 344156560, 688313120]

約数ペア:

[(1, 688313120), (2, 344156560), (4, 172078280), (5, 137662624), (8, 86039140), (10, 68831312), (11, 62573920), (16, 43019570), (20, 34415656), (22, 31286960), (32, 21509785), (40, 17207828), (44, 15643480), (47, 14644960), (53, 12987040), (55, 12514784), (80, 8603914), (88, 7821740), (94, 7322480), (106, 6493520), (110, 6257392), (157, 4384160), (160, 4301957), (176, 3910870), (188, 3661240), (212, 3246760), (220, 3128696), (235, 2928992), (265, 2597408), (314, 2192080), (352, 1955435), (376, 1830620), (424, 1623380), (440, 1564348), (470, 1464496), (517, 1331360), (530, 1298704), (583, 1180640), (628, 1096040), (752, 915310), (785, 876832), (848, 811690), (880, 782174), (940, 732248), (1034, 665680), (1060, 649352), (1166, 590320), (1256, 548020), (1504, 457655), (1570, 438416), (1696, 405845), (1727, 398560), (1760, 391087), (1880, 366124), (2068, 332840), (2120, 324676), (2332, 295160), (2491, 276320), (2512, 274010), (2585, 266272), (2915, 236128), (3140, 219208), (3454, 199280), (3760, 183062), (4136, 166420), (4240, 162338), (4664, 147580), (4982, 138160), (5024, 137005), (5170, 133136), (5830, 118064), (6280, 109604), (6908, 99640), (7379, 93280), (7520, 91531), (8272, 83210), (8321, 82720), (8480, 81169), (8635, 79712), (9328, 73790), (9964, 69080), (10340, 66568), (11660, 59032), (12455, 55264), (12560, 54802), (13816, 49820), (14758, 46640), (16544, 41605), (16642, 41360), (17270, 39856), (18656, 36895), (19928, 34540), (20680, 33284), (23320, 29516), (24910, 27632), (25120, 27401)]