64709280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{4993}}^1$

素因数の和:5020

約数の個数: 120

約数和(自身を含む): 228415572

約数和(自身を除く): 163706292

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 4993, 6480, 9986, 12960, 14979, 19972, 24965, 29958, 39944, 44937, 49930, 59916, 74895, 79888, 89874, 99860, 119832, 134811, 149790, 159776, 179748, 199720, 224685, 239664, 269622, 299580, 359496, 399440, 404433, 449370, 479328, 539244, 599160, 674055, 718992, 798880, 808866, 898740, 1078488, 1198320, 1348110, 1437984, 1617732, 1797480, 2022165, 2156976, 2396640, 2696220, 3235464, 3594960, 4044330, 4313952, 5392440, 6470928, 7189920, 8088660, 10784880, 12941856, 16177320, 21569760, 32354640, 64709280]

約数ペア:

[(1, 64709280), (2, 32354640), (3, 21569760), (4, 16177320), (5, 12941856), (6, 10784880), (8, 8088660), (9, 7189920), (10, 6470928), (12, 5392440), (15, 4313952), (16, 4044330), (18, 3594960), (20, 3235464), (24, 2696220), (27, 2396640), (30, 2156976), (32, 2022165), (36, 1797480), (40, 1617732), (45, 1437984), (48, 1348110), (54, 1198320), (60, 1078488), (72, 898740), (80, 808866), (81, 798880), (90, 718992), (96, 674055), (108, 599160), (120, 539244), (135, 479328), (144, 449370), (160, 404433), (162, 399440), (180, 359496), (216, 299580), (240, 269622), (270, 239664), (288, 224685), (324, 199720), (360, 179748), (405, 159776), (432, 149790), (480, 134811), (540, 119832), (648, 99860), (720, 89874), (810, 79888), (864, 74895), (1080, 59916), (1296, 49930), (1440, 44937), (1620, 39944), (2160, 29958), (2592, 24965), (3240, 19972), (4320, 14979), (4993, 12960), (6480, 9986)]