259979520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:960

約数の個数: 144

約数和(自身を含む): 841800960

約数和(自身を除く): 581821440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 632, 640, 768, 790, 857, 948, 960, 1185, 1264, 1280, 1580, 1714, 1896, 1920, 2370, 2528, 2571, 3160, 3428, 3792, 3840, 4285, 4740, 5056, 5142, 6320, 6856, 7584, 8570, 9480, 10112, 10284, 12640, 12855, 13712, 15168, 17140, 18960, 20224, 20568, 25280, 25710, 27424, 30336, 34280, 37920, 41136, 50560, 51420, 54848, 60672, 67703, 68560, 75840, 82272, 101120, 102840, 109696, 135406, 137120, 151680, 164544, 203109, 205680, 219392, 270812, 274240, 303360, 329088, 338515, 406218, 411360, 541624, 548480, 658176, 677030, 812436, 822720, 1015545, 1083248, 1096960, 1354060, 1624872, 1645440, 2031090, 2166496, 2708120, 3249744, 3290880, 4062180, 4332992, 5416240, 6499488, 8124360, 8665984, 10832480, 12998976, 16248720, 17331968, 21664960, 25997952, 32497440, 43329920, 51995904, 64994880, 86659840, 129989760, 259979520]

約数ペア:

[(1, 259979520), (2, 129989760), (3, 86659840), (4, 64994880), (5, 51995904), (6, 43329920), (8, 32497440), (10, 25997952), (12, 21664960), (15, 17331968), (16, 16248720), (20, 12998976), (24, 10832480), (30, 8665984), (32, 8124360), (40, 6499488), (48, 5416240), (60, 4332992), (64, 4062180), (79, 3290880), (80, 3249744), (96, 2708120), (120, 2166496), (128, 2031090), (158, 1645440), (160, 1624872), (192, 1354060), (237, 1096960), (240, 1083248), (256, 1015545), (316, 822720), (320, 812436), (384, 677030), (395, 658176), (474, 548480), (480, 541624), (632, 411360), (640, 406218), (768, 338515), (790, 329088), (857, 303360), (948, 274240), (960, 270812), (1185, 219392), (1264, 205680), (1280, 203109), (1580, 164544), (1714, 151680), (1896, 137120), (1920, 135406), (2370, 109696), (2528, 102840), (2571, 101120), (3160, 82272), (3428, 75840), (3792, 68560), (3840, 67703), (4285, 60672), (4740, 54848), (5056, 51420), (5142, 50560), (6320, 41136), (6856, 37920), (7584, 34280), (8570, 30336), (9480, 27424), (10112, 25710), (10284, 25280), (12640, 20568), (12855, 20224), (13712, 18960), (15168, 17140)]