256724640

素因数分解:

$2^5\times 3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 336

約数和(自身を含む): 951906816

約数和(自身を除く): 695182176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 71, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 142, 144, 155, 160, 162, 180, 186, 213, 216, 240, 243, 248, 270, 279, 284, 288, 310, 324, 355, 360, 372, 405, 426, 432, 465, 480, 486, 496, 540, 558, 568, 620, 639, 648, 710, 720, 729, 744, 810, 837, 852, 864, 930, 972, 992, 1065, 1080, 1116, 1136, 1215, 1240, 1278, 1296, 1395, 1420, 1440, 1458, 1488, 1620, 1674, 1704, 1860, 1917, 1944, 2130, 2160, 2201, 2232, 2272, 2430, 2480, 2511, 2556, 2592, 2790, 2840, 2916, 2976, 3195, 3240, 3348, 3408, 3645, 3720, 3834, 3888, 4185, 4260, 4320, 4402, 4464, 4860, 4960, 5022, 5112, 5580, 5680, 5751, 5832, 6390, 6480, 6603, 6696, 6816, 7290, 7440, 7533, 7668, 7776, 8370, 8520, 8804, 8928, 9585, 9720, 10044, 10224, 11005, 11160, 11360, 11502, 11664, 12555, 12780, 12960, 13206, 13392, 14580, 14880, 15066, 15336, 16740, 17040, 17253, 17608, 19170, 19440, 19809, 20088, 20448, 22010, 22320, 22599, 23004, 23328, 25110, 25560, 26412, 26784, 28755, 29160, 30132, 30672, 33015, 33480, 34080, 34506, 35216, 37665, 38340, 38880, 39618, 40176, 44020, 44640, 45198, 46008, 50220, 51120, 51759, 52824, 57510, 58320, 59427, 60264, 61344, 66030, 66960, 69012, 70432, 75330, 76680, 79236, 80352, 86265, 88040, 90396, 92016, 99045, 100440, 102240, 103518, 105648, 112995, 115020, 116640, 118854, 120528, 132060, 133920, 138024, 150660, 153360, 158472, 172530, 176080, 178281, 180792, 184032, 198090, 200880, 207036, 211296, 225990, 230040, 237708, 241056, 258795, 264120, 276048, 297135, 301320, 306720, 316944, 345060, 352160, 356562, 361584, 396180, 401760, 414072, 451980, 460080, 475416, 517590, 528240, 534843, 552096, 594270, 602640, 633888, 690120, 713124, 723168, 792360, 828144, 891405, 903960, 920160, 950832, 1035180, 1056480, 1069686, 1188540, 1205280, 1380240, 1426248, 1584720, 1604529, 1656288, 1782810, 1807920, 1901664, 2070360, 2139372, 2377080, 2674215, 2760480, 2852496, 3169440, 3209058, 3565620, 3615840, 4140720, 4278744, 4754160, 5348430, 5704992, 6418116, 7131240, 8022645, 8281440, 8557488, 9508320, 10696860, 12836232, 14262480, 16045290, 17114976, 21393720, 25672464, 28524960, 32090580, 42787440, 51344928, 64181160, 85574880, 128362320, 256724640]

約数ペア:

[(1, 256724640), (2, 128362320), (3, 85574880), (4, 64181160), (5, 51344928), (6, 42787440), (8, 32090580), (9, 28524960), (10, 25672464), (12, 21393720), (15, 17114976), (16, 16045290), (18, 14262480), (20, 12836232), (24, 10696860), (27, 9508320), (30, 8557488), (31, 8281440), (32, 8022645), (36, 7131240), (40, 6418116), (45, 5704992), (48, 5348430), (54, 4754160), (60, 4278744), (62, 4140720), (71, 3615840), (72, 3565620), (80, 3209058), (81, 3169440), (90, 2852496), (93, 2760480), (96, 2674215), (108, 2377080), (120, 2139372), (124, 2070360), (135, 1901664), (142, 1807920), (144, 1782810), (155, 1656288), (160, 1604529), (162, 1584720), (180, 1426248), (186, 1380240), (213, 1205280), (216, 1188540), (240, 1069686), (243, 1056480), (248, 1035180), (270, 950832), (279, 920160), (284, 903960), (288, 891405), (310, 828144), (324, 792360), (355, 723168), (360, 713124), (372, 690120), (405, 633888), (426, 602640), (432, 594270), (465, 552096), (480, 534843), (486, 528240), (496, 517590), (540, 475416), (558, 460080), (568, 451980), (620, 414072), (639, 401760), (648, 396180), (710, 361584), (720, 356562), (729, 352160), (744, 345060), (810, 316944), (837, 306720), (852, 301320), (864, 297135), (930, 276048), (972, 264120), (992, 258795), (1065, 241056), (1080, 237708), (1116, 230040), (1136, 225990), (1215, 211296), (1240, 207036), (1278, 200880), (1296, 198090), (1395, 184032), (1420, 180792), (1440, 178281), (1458, 176080), (1488, 172530), (1620, 158472), (1674, 153360), (1704, 150660), (1860, 138024), (1917, 133920), (1944, 132060), (2130, 120528), (2160, 118854), (2201, 116640), (2232, 115020), (2272, 112995), (2430, 105648), (2480, 103518), (2511, 102240), (2556, 100440), (2592, 99045), (2790, 92016), (2840, 90396), (2916, 88040), (2976, 86265), (3195, 80352), (3240, 79236), (3348, 76680), (3408, 75330), (3645, 70432), (3720, 69012), (3834, 66960), (3888, 66030), (4185, 61344), (4260, 60264), (4320, 59427), (4402, 58320), (4464, 57510), (4860, 52824), (4960, 51759), (5022, 51120), (5112, 50220), (5580, 46008), (5680, 45198), (5751, 44640), (5832, 44020), (6390, 40176), (6480, 39618), (6603, 38880), (6696, 38340), (6816, 37665), (7290, 35216), (7440, 34506), (7533, 34080), (7668, 33480), (7776, 33015), (8370, 30672), (8520, 30132), (8804, 29160), (8928, 28755), (9585, 26784), (9720, 26412), (10044, 25560), (10224, 25110), (11005, 23328), (11160, 23004), (11360, 22599), (11502, 22320), (11664, 22010), (12555, 20448), (12780, 20088), (12960, 19809), (13206, 19440), (13392, 19170), (14580, 17608), (14880, 17253), (15066, 17040), (15336, 16740)]