728222160640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1411721}}^1$

素因数の和:1411786

約数の個数: 144

約数和(自身を含む): 1939096164096

約数和(自身を除く): 1210874003456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 7936, 8060, 8320, 9920, 12896, 16120, 16640, 19840, 25792, 32240, 39680, 51584, 64480, 103168, 128960, 257920, 515840, 1411721, 2823442, 5646884, 7058605, 11293768, 14117210, 18352373, 22587536, 28234420, 36704746, 43763351, 45175072, 56468840, 73409492, 87526702, 90350144, 91761865, 112937680, 146818984, 175053404, 180700288, 183523730, 218816755, 225875360, 293637968, 350106808, 361400576, 367047460, 437633510, 451750720, 568923563, 587275936, 700213616, 734094920, 875267020, 903501440, 1137847126, 1174551872, 1400427232, 1468189840, 1750534040, 1807002880, 2275694252, 2349103744, 2800854464, 2844617815, 2936379680, 3501068080, 4551388504, 4698207488, 5601708928, 5689235630, 5872759360, 7002136160, 9102777008, 11203417856, 11378471260, 11745518720, 14004272320, 18205554016, 22756942520, 23491037440, 28008544640, 36411108032, 45513885040, 56017089280, 72822216064, 91027770080, 145644432128, 182055540160, 364111080320, 728222160640]

約数ペア:

[(1, 728222160640), (2, 364111080320), (4, 182055540160), (5, 145644432128), (8, 91027770080), (10, 72822216064), (13, 56017089280), (16, 45513885040), (20, 36411108032), (26, 28008544640), (31, 23491037440), (32, 22756942520), (40, 18205554016), (52, 14004272320), (62, 11745518720), (64, 11378471260), (65, 11203417856), (80, 9102777008), (104, 7002136160), (124, 5872759360), (128, 5689235630), (130, 5601708928), (155, 4698207488), (160, 4551388504), (208, 3501068080), (248, 2936379680), (256, 2844617815), (260, 2800854464), (310, 2349103744), (320, 2275694252), (403, 1807002880), (416, 1750534040), (496, 1468189840), (520, 1400427232), (620, 1174551872), (640, 1137847126), (806, 903501440), (832, 875267020), (992, 734094920), (1040, 700213616), (1240, 587275936), (1280, 568923563), (1612, 451750720), (1664, 437633510), (1984, 367047460), (2015, 361400576), (2080, 350106808), (2480, 293637968), (3224, 225875360), (3328, 218816755), (3968, 183523730), (4030, 180700288), (4160, 175053404), (4960, 146818984), (6448, 112937680), (7936, 91761865), (8060, 90350144), (8320, 87526702), (9920, 73409492), (12896, 56468840), (16120, 45175072), (16640, 43763351), (19840, 36704746), (25792, 28234420), (32240, 22587536), (39680, 18352373), (51584, 14117210), (64480, 11293768), (103168, 7058605), (128960, 5646884), (257920, 2823442), (515840, 1411721)]