13306656640

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1\times {\mathrm{367}}^1$

素因数の和:880

約数の個数: 128

約数和(自身を含む): 32176609920

約数和(自身を除く): 18869953280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 313, 320, 362, 367, 626, 640, 724, 734, 905, 1252, 1448, 1468, 1565, 1810, 1835, 2504, 2896, 2936, 3130, 3620, 3670, 5008, 5792, 5872, 6260, 7240, 7340, 10016, 11584, 11744, 12520, 14480, 14680, 20032, 23168, 23488, 25040, 28960, 29360, 40064, 46976, 50080, 56653, 57920, 58720, 66427, 100160, 113306, 114871, 115840, 117440, 132854, 200320, 226612, 229742, 234880, 265708, 283265, 332135, 453224, 459484, 531416, 566530, 574355, 664270, 906448, 918968, 1062832, 1133060, 1148710, 1328540, 1812896, 1837936, 2125664, 2266120, 2297420, 2657080, 3625792, 3675872, 4251328, 4532240, 4594840, 5314160, 7251584, 7351744, 8502656, 9064480, 9189680, 10628320, 14703488, 18128960, 18379360, 20791651, 21256640, 36257920, 36758720, 41583302, 42513280, 73517440, 83166604, 103958255, 166333208, 207916510, 332666416, 415833020, 665332832, 831666040, 1330665664, 1663332080, 2661331328, 3326664160, 6653328320, 13306656640]

約数ペア:

[(1, 13306656640), (2, 6653328320), (4, 3326664160), (5, 2661331328), (8, 1663332080), (10, 1330665664), (16, 831666040), (20, 665332832), (32, 415833020), (40, 332666416), (64, 207916510), (80, 166333208), (128, 103958255), (160, 83166604), (181, 73517440), (313, 42513280), (320, 41583302), (362, 36758720), (367, 36257920), (626, 21256640), (640, 20791651), (724, 18379360), (734, 18128960), (905, 14703488), (1252, 10628320), (1448, 9189680), (1468, 9064480), (1565, 8502656), (1810, 7351744), (1835, 7251584), (2504, 5314160), (2896, 4594840), (2936, 4532240), (3130, 4251328), (3620, 3675872), (3670, 3625792), (5008, 2657080), (5792, 2297420), (5872, 2266120), (6260, 2125664), (7240, 1837936), (7340, 1812896), (10016, 1328540), (11584, 1148710), (11744, 1133060), (12520, 1062832), (14480, 918968), (14680, 906448), (20032, 664270), (23168, 574355), (23488, 566530), (25040, 531416), (28960, 459484), (29360, 453224), (40064, 332135), (46976, 283265), (50080, 265708), (56653, 234880), (57920, 229742), (58720, 226612), (66427, 200320), (100160, 132854), (113306, 117440), (114871, 115840)]