391328080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 1084930560

約数和(自身を除く): 693602480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 79, 80, 88, 104, 110, 130, 143, 158, 176, 208, 220, 260, 286, 316, 395, 433, 440, 520, 572, 632, 715, 790, 866, 869, 880, 1027, 1040, 1144, 1264, 1430, 1580, 1732, 1738, 2054, 2165, 2288, 2860, 3160, 3464, 3476, 4108, 4330, 4345, 4763, 5135, 5629, 5720, 6320, 6928, 6952, 8216, 8660, 8690, 9526, 10270, 11258, 11297, 11440, 13904, 16432, 17320, 17380, 19052, 20540, 22516, 22594, 23815, 28145, 34207, 34640, 34760, 38104, 41080, 45032, 45188, 47630, 56290, 56485, 61919, 68414, 69520, 76208, 82160, 90064, 90376, 95260, 112580, 112970, 123838, 136828, 171035, 180752, 190520, 225160, 225940, 247676, 273656, 309595, 342070, 376277, 381040, 444691, 450320, 451880, 495352, 547312, 619190, 684140, 752554, 889382, 903760, 990704, 1238380, 1368280, 1505108, 1778764, 1881385, 2223455, 2476760, 2736560, 3010216, 3557528, 3762770, 4446910, 4891601, 4953520, 6020432, 7115056, 7525540, 8893820, 9783202, 15051080, 17787640, 19566404, 24458005, 30102160, 35575280, 39132808, 48916010, 78265616, 97832020, 195664040, 391328080]

約数ペア:

[(1, 391328080), (2, 195664040), (4, 97832020), (5, 78265616), (8, 48916010), (10, 39132808), (11, 35575280), (13, 30102160), (16, 24458005), (20, 19566404), (22, 17787640), (26, 15051080), (40, 9783202), (44, 8893820), (52, 7525540), (55, 7115056), (65, 6020432), (79, 4953520), (80, 4891601), (88, 4446910), (104, 3762770), (110, 3557528), (130, 3010216), (143, 2736560), (158, 2476760), (176, 2223455), (208, 1881385), (220, 1778764), (260, 1505108), (286, 1368280), (316, 1238380), (395, 990704), (433, 903760), (440, 889382), (520, 752554), (572, 684140), (632, 619190), (715, 547312), (790, 495352), (866, 451880), (869, 450320), (880, 444691), (1027, 381040), (1040, 376277), (1144, 342070), (1264, 309595), (1430, 273656), (1580, 247676), (1732, 225940), (1738, 225160), (2054, 190520), (2165, 180752), (2288, 171035), (2860, 136828), (3160, 123838), (3464, 112970), (3476, 112580), (4108, 95260), (4330, 90376), (4345, 90064), (4763, 82160), (5135, 76208), (5629, 69520), (5720, 68414), (6320, 61919), (6928, 56485), (6952, 56290), (8216, 47630), (8660, 45188), (8690, 45032), (9526, 41080), (10270, 38104), (11258, 34760), (11297, 34640), (11440, 34207), (13904, 28145), (16432, 23815), (17320, 22594), (17380, 22516), (19052, 20540)]