128290320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 460541952

約数和(自身を除く): 332251632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 61, 69, 72, 80, 90, 92, 115, 120, 122, 127, 138, 144, 180, 183, 184, 207, 230, 240, 244, 254, 276, 305, 345, 360, 366, 368, 381, 414, 460, 488, 508, 549, 552, 610, 635, 690, 720, 732, 762, 828, 915, 920, 976, 1016, 1035, 1098, 1104, 1143, 1220, 1270, 1380, 1403, 1464, 1524, 1656, 1830, 1840, 1905, 2032, 2070, 2196, 2286, 2440, 2540, 2745, 2760, 2806, 2921, 2928, 3048, 3312, 3660, 3810, 4140, 4209, 4392, 4572, 4880, 5080, 5490, 5520, 5612, 5715, 5842, 6096, 7015, 7320, 7620, 7747, 8280, 8418, 8763, 8784, 9144, 10160, 10980, 11224, 11430, 11684, 12627, 14030, 14605, 14640, 15240, 15494, 16560, 16836, 17526, 18288, 21045, 21960, 22448, 22860, 23241, 23368, 25254, 26289, 28060, 29210, 30480, 30988, 33672, 35052, 38735, 42090, 43815, 43920, 45720, 46482, 46736, 50508, 52578, 56120, 58420, 61976, 63135, 67344, 69723, 70104, 77470, 84180, 87630, 91440, 92964, 101016, 105156, 112240, 116205, 116840, 123952, 126270, 131445, 139446, 140208, 154940, 168360, 175260, 178181, 185928, 202032, 210312, 232410, 233680, 252540, 262890, 278892, 309880, 336720, 348615, 350520, 356362, 371856, 420624, 464820, 505080, 525780, 534543, 557784, 619760, 697230, 701040, 712724, 890905, 929640, 1010160, 1051560, 1069086, 1115568, 1394460, 1425448, 1603629, 1781810, 1859280, 2103120, 2138172, 2672715, 2788920, 2850896, 3207258, 3563620, 4276344, 5345430, 5577840, 6414516, 7127240, 8018145, 8552688, 10690860, 12829032, 14254480, 16036290, 21381720, 25658064, 32072580, 42763440, 64145160, 128290320]

約数ペア:

[(1, 128290320), (2, 64145160), (3, 42763440), (4, 32072580), (5, 25658064), (6, 21381720), (8, 16036290), (9, 14254480), (10, 12829032), (12, 10690860), (15, 8552688), (16, 8018145), (18, 7127240), (20, 6414516), (23, 5577840), (24, 5345430), (30, 4276344), (36, 3563620), (40, 3207258), (45, 2850896), (46, 2788920), (48, 2672715), (60, 2138172), (61, 2103120), (69, 1859280), (72, 1781810), (80, 1603629), (90, 1425448), (92, 1394460), (115, 1115568), (120, 1069086), (122, 1051560), (127, 1010160), (138, 929640), (144, 890905), (180, 712724), (183, 701040), (184, 697230), (207, 619760), (230, 557784), (240, 534543), (244, 525780), (254, 505080), (276, 464820), (305, 420624), (345, 371856), (360, 356362), (366, 350520), (368, 348615), (381, 336720), (414, 309880), (460, 278892), (488, 262890), (508, 252540), (549, 233680), (552, 232410), (610, 210312), (635, 202032), (690, 185928), (720, 178181), (732, 175260), (762, 168360), (828, 154940), (915, 140208), (920, 139446), (976, 131445), (1016, 126270), (1035, 123952), (1098, 116840), (1104, 116205), (1143, 112240), (1220, 105156), (1270, 101016), (1380, 92964), (1403, 91440), (1464, 87630), (1524, 84180), (1656, 77470), (1830, 70104), (1840, 69723), (1905, 67344), (2032, 63135), (2070, 61976), (2196, 58420), (2286, 56120), (2440, 52578), (2540, 50508), (2745, 46736), (2760, 46482), (2806, 45720), (2921, 43920), (2928, 43815), (3048, 42090), (3312, 38735), (3660, 35052), (3810, 33672), (4140, 30988), (4209, 30480), (4392, 29210), (4572, 28060), (4880, 26289), (5080, 25254), (5490, 23368), (5520, 23241), (5612, 22860), (5715, 22448), (5842, 21960), (6096, 21045), (7015, 18288), (7320, 17526), (7620, 16836), (7747, 16560), (8280, 15494), (8418, 15240), (8763, 14640), (8784, 14605), (9144, 14030), (10160, 12627), (10980, 11684), (11224, 11430)]