255405280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 192

約数和(自身を含む): 713276928

約数和(自身を除く): 457871648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 160, 170, 208, 221, 233, 248, 260, 272, 310, 340, 403, 416, 442, 466, 496, 520, 527, 544, 620, 680, 806, 884, 932, 992, 1040, 1054, 1105, 1165, 1240, 1360, 1612, 1768, 1864, 2015, 2080, 2108, 2210, 2330, 2480, 2635, 2720, 3029, 3224, 3536, 3728, 3961, 4030, 4216, 4420, 4660, 4960, 5270, 6058, 6448, 6851, 7072, 7223, 7456, 7922, 8060, 8432, 8840, 9320, 10540, 12116, 12896, 13702, 14446, 15145, 15844, 16120, 16864, 17680, 18640, 19805, 21080, 24232, 27404, 28892, 30290, 31688, 32240, 34255, 35360, 36115, 37280, 39610, 42160, 48464, 51493, 54808, 57784, 60580, 63376, 64480, 68510, 72230, 79220, 84320, 93899, 96928, 102986, 109616, 115568, 121160, 122791, 126752, 137020, 144460, 158440, 187798, 205972, 219232, 231136, 242320, 245582, 257465, 274040, 288920, 316880, 375596, 411944, 469495, 484640, 491164, 514930, 548080, 577840, 613955, 633760, 751192, 823888, 938990, 982328, 1029860, 1096160, 1155680, 1227910, 1502384, 1596283, 1647776, 1877980, 1964656, 2059720, 2455820, 3004768, 3192566, 3755960, 3929312, 4119440, 4911640, 6385132, 7511920, 7981415, 8238880, 9823280, 12770264, 15023840, 15962830, 19646560, 25540528, 31925660, 51081056, 63851320, 127702640, 255405280]

約数ペア:

[(1, 255405280), (2, 127702640), (4, 63851320), (5, 51081056), (8, 31925660), (10, 25540528), (13, 19646560), (16, 15962830), (17, 15023840), (20, 12770264), (26, 9823280), (31, 8238880), (32, 7981415), (34, 7511920), (40, 6385132), (52, 4911640), (62, 4119440), (65, 3929312), (68, 3755960), (80, 3192566), (85, 3004768), (104, 2455820), (124, 2059720), (130, 1964656), (136, 1877980), (155, 1647776), (160, 1596283), (170, 1502384), (208, 1227910), (221, 1155680), (233, 1096160), (248, 1029860), (260, 982328), (272, 938990), (310, 823888), (340, 751192), (403, 633760), (416, 613955), (442, 577840), (466, 548080), (496, 514930), (520, 491164), (527, 484640), (544, 469495), (620, 411944), (680, 375596), (806, 316880), (884, 288920), (932, 274040), (992, 257465), (1040, 245582), (1054, 242320), (1105, 231136), (1165, 219232), (1240, 205972), (1360, 187798), (1612, 158440), (1768, 144460), (1864, 137020), (2015, 126752), (2080, 122791), (2108, 121160), (2210, 115568), (2330, 109616), (2480, 102986), (2635, 96928), (2720, 93899), (3029, 84320), (3224, 79220), (3536, 72230), (3728, 68510), (3961, 64480), (4030, 63376), (4216, 60580), (4420, 57784), (4660, 54808), (4960, 51493), (5270, 48464), (6058, 42160), (6448, 39610), (6851, 37280), (7072, 36115), (7223, 35360), (7456, 34255), (7922, 32240), (8060, 31688), (8432, 30290), (8840, 28892), (9320, 27404), (10540, 24232), (12116, 21080), (12896, 19805), (13702, 18640), (14446, 17680), (15145, 16864), (15844, 16120)]