78571440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 240

約数和(自身を含む): 282035520

約数和(自身を除く): 203464080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 53, 58, 60, 71, 72, 80, 87, 90, 106, 116, 120, 142, 144, 145, 159, 174, 180, 212, 213, 232, 240, 261, 265, 284, 290, 318, 348, 355, 360, 424, 426, 435, 464, 477, 522, 530, 568, 580, 636, 639, 696, 710, 720, 795, 848, 852, 870, 954, 1044, 1060, 1065, 1136, 1160, 1272, 1278, 1305, 1392, 1420, 1537, 1590, 1704, 1740, 1908, 2059, 2088, 2120, 2130, 2320, 2385, 2544, 2556, 2610, 2840, 3074, 3180, 3195, 3408, 3480, 3763, 3816, 4118, 4176, 4240, 4260, 4611, 4770, 5112, 5220, 5680, 6148, 6177, 6360, 6390, 6960, 7526, 7632, 7685, 8236, 8520, 9222, 9540, 10224, 10295, 10440, 11289, 12296, 12354, 12720, 12780, 13833, 15052, 15370, 16472, 17040, 18444, 18531, 18815, 19080, 20590, 20880, 22578, 23055, 24592, 24708, 25560, 27666, 30104, 30740, 30885, 32944, 33867, 36888, 37062, 37630, 38160, 41180, 45156, 46110, 49416, 51120, 55332, 56445, 60208, 61480, 61770, 67734, 69165, 73776, 74124, 75260, 82360, 90312, 92220, 92655, 98832, 109127, 110664, 112890, 122960, 123540, 135468, 138330, 148248, 150520, 164720, 169335, 180624, 184440, 185310, 218254, 221328, 225780, 247080, 270936, 276660, 296496, 301040, 327381, 338670, 368880, 370620, 436508, 451560, 494160, 541872, 545635, 553320, 654762, 677340, 741240, 873016, 903120, 982143, 1091270, 1106640, 1309524, 1354680, 1482480, 1636905, 1746032, 1964286, 2182540, 2619048, 2709360, 3273810, 3928572, 4365080, 4910715, 5238096, 6547620, 7857144, 8730160, 9821430, 13095240, 15714288, 19642860, 26190480, 39285720, 78571440]

約数ペア:

[(1, 78571440), (2, 39285720), (3, 26190480), (4, 19642860), (5, 15714288), (6, 13095240), (8, 9821430), (9, 8730160), (10, 7857144), (12, 6547620), (15, 5238096), (16, 4910715), (18, 4365080), (20, 3928572), (24, 3273810), (29, 2709360), (30, 2619048), (36, 2182540), (40, 1964286), (45, 1746032), (48, 1636905), (53, 1482480), (58, 1354680), (60, 1309524), (71, 1106640), (72, 1091270), (80, 982143), (87, 903120), (90, 873016), (106, 741240), (116, 677340), (120, 654762), (142, 553320), (144, 545635), (145, 541872), (159, 494160), (174, 451560), (180, 436508), (212, 370620), (213, 368880), (232, 338670), (240, 327381), (261, 301040), (265, 296496), (284, 276660), (290, 270936), (318, 247080), (348, 225780), (355, 221328), (360, 218254), (424, 185310), (426, 184440), (435, 180624), (464, 169335), (477, 164720), (522, 150520), (530, 148248), (568, 138330), (580, 135468), (636, 123540), (639, 122960), (696, 112890), (710, 110664), (720, 109127), (795, 98832), (848, 92655), (852, 92220), (870, 90312), (954, 82360), (1044, 75260), (1060, 74124), (1065, 73776), (1136, 69165), (1160, 67734), (1272, 61770), (1278, 61480), (1305, 60208), (1392, 56445), (1420, 55332), (1537, 51120), (1590, 49416), (1704, 46110), (1740, 45156), (1908, 41180), (2059, 38160), (2088, 37630), (2120, 37062), (2130, 36888), (2320, 33867), (2385, 32944), (2544, 30885), (2556, 30740), (2610, 30104), (2840, 27666), (3074, 25560), (3180, 24708), (3195, 24592), (3408, 23055), (3480, 22578), (3763, 20880), (3816, 20590), (4118, 19080), (4176, 18815), (4240, 18531), (4260, 18444), (4611, 17040), (4770, 16472), (5112, 15370), (5220, 15052), (5680, 13833), (6148, 12780), (6177, 12720), (6360, 12354), (6390, 12296), (6960, 11289), (7526, 10440), (7632, 10295), (7685, 10224), (8236, 9540), (8520, 9222)]