218555520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1390

約数の個数: 128

約数和(自身を含む): 705024000

約数和(自身を除く): 486468480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 267, 320, 356, 384, 445, 480, 534, 640, 712, 890, 960, 1068, 1279, 1335, 1424, 1780, 1920, 2136, 2558, 2670, 2848, 3560, 3837, 4272, 5116, 5340, 5696, 6395, 7120, 7674, 8544, 10232, 10680, 11392, 12790, 14240, 15348, 17088, 19185, 20464, 21360, 25580, 28480, 30696, 34176, 38370, 40928, 42720, 51160, 56960, 61392, 76740, 81856, 85440, 102320, 113831, 122784, 153480, 163712, 170880, 204640, 227662, 245568, 306960, 341493, 409280, 455324, 491136, 569155, 613920, 682986, 818560, 910648, 1138310, 1227840, 1365972, 1707465, 1821296, 2276620, 2455680, 2731944, 3414930, 3642592, 4553240, 5463888, 6829860, 7285184, 9106480, 10927776, 13659720, 14570368, 18212960, 21855552, 27319440, 36425920, 43711104, 54638880, 72851840, 109277760, 218555520]

約数ペア:

[(1, 218555520), (2, 109277760), (3, 72851840), (4, 54638880), (5, 43711104), (6, 36425920), (8, 27319440), (10, 21855552), (12, 18212960), (15, 14570368), (16, 13659720), (20, 10927776), (24, 9106480), (30, 7285184), (32, 6829860), (40, 5463888), (48, 4553240), (60, 3642592), (64, 3414930), (80, 2731944), (89, 2455680), (96, 2276620), (120, 1821296), (128, 1707465), (160, 1365972), (178, 1227840), (192, 1138310), (240, 910648), (267, 818560), (320, 682986), (356, 613920), (384, 569155), (445, 491136), (480, 455324), (534, 409280), (640, 341493), (712, 306960), (890, 245568), (960, 227662), (1068, 204640), (1279, 170880), (1335, 163712), (1424, 153480), (1780, 122784), (1920, 113831), (2136, 102320), (2558, 85440), (2670, 81856), (2848, 76740), (3560, 61392), (3837, 56960), (4272, 51160), (5116, 42720), (5340, 40928), (5696, 38370), (6395, 34176), (7120, 30696), (7674, 28480), (8544, 25580), (10232, 21360), (10680, 20464), (11392, 19185), (12790, 17088), (14240, 15348)]