1999798320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2281}}^1$

素因数の和:2591

約数の個数: 160

約数和(自身を含む): 6702945984

約数和(自身を除く): 4703147664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 281, 312, 390, 520, 562, 624, 780, 843, 1040, 1124, 1405, 1560, 1686, 2248, 2281, 2810, 3120, 3372, 3653, 4215, 4496, 4562, 5620, 6744, 6843, 7306, 8430, 9124, 10959, 11240, 11405, 13488, 13686, 14612, 16860, 18248, 18265, 21918, 22480, 22810, 27372, 29224, 29653, 33720, 34215, 36496, 36530, 43836, 45620, 54744, 54795, 58448, 59306, 67440, 68430, 73060, 87672, 88959, 91240, 109488, 109590, 118612, 136860, 146120, 148265, 175344, 177918, 182480, 219180, 237224, 273720, 292240, 296530, 355836, 438360, 444795, 474448, 547440, 593060, 640961, 711672, 876720, 889590, 1186120, 1281922, 1423344, 1779180, 1922883, 2372240, 2563844, 3204805, 3558360, 3845766, 5127688, 6409610, 7116720, 7691532, 8332493, 9614415, 10255376, 12819220, 15383064, 16664986, 19228830, 24997479, 25638440, 30766128, 33329972, 38457660, 41662465, 49994958, 51276880, 66659944, 76915320, 83324930, 99989916, 124987395, 133319888, 153830640, 166649860, 199979832, 249974790, 333299720, 399959664, 499949580, 666599440, 999899160, 1999798320]

約数ペア:

[(1, 1999798320), (2, 999899160), (3, 666599440), (4, 499949580), (5, 399959664), (6, 333299720), (8, 249974790), (10, 199979832), (12, 166649860), (13, 153830640), (15, 133319888), (16, 124987395), (20, 99989916), (24, 83324930), (26, 76915320), (30, 66659944), (39, 51276880), (40, 49994958), (48, 41662465), (52, 38457660), (60, 33329972), (65, 30766128), (78, 25638440), (80, 24997479), (104, 19228830), (120, 16664986), (130, 15383064), (156, 12819220), (195, 10255376), (208, 9614415), (240, 8332493), (260, 7691532), (281, 7116720), (312, 6409610), (390, 5127688), (520, 3845766), (562, 3558360), (624, 3204805), (780, 2563844), (843, 2372240), (1040, 1922883), (1124, 1779180), (1405, 1423344), (1560, 1281922), (1686, 1186120), (2248, 889590), (2281, 876720), (2810, 711672), (3120, 640961), (3372, 593060), (3653, 547440), (4215, 474448), (4496, 444795), (4562, 438360), (5620, 355836), (6744, 296530), (6843, 292240), (7306, 273720), (8430, 237224), (9124, 219180), (10959, 182480), (11240, 177918), (11405, 175344), (13488, 148265), (13686, 146120), (14612, 136860), (16860, 118612), (18248, 109590), (18265, 109488), (21918, 91240), (22480, 88959), (22810, 87672), (27372, 73060), (29224, 68430), (29653, 67440), (33720, 59306), (34215, 58448), (36496, 54795), (36530, 54744), (43836, 45620)]