2105959120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:773

約数の個数: 160

約数和(自身を含む): 5380369920

約数和(自身を除く): 3274410800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 61, 80, 92, 115, 116, 122, 145, 184, 230, 232, 244, 290, 305, 368, 460, 464, 488, 580, 610, 647, 667, 920, 976, 1160, 1220, 1294, 1334, 1403, 1769, 1840, 2320, 2440, 2588, 2668, 2806, 3235, 3335, 3538, 4880, 5176, 5336, 5612, 6470, 6670, 7015, 7076, 8845, 10352, 10672, 11224, 12940, 13340, 14030, 14152, 14881, 17690, 18763, 22448, 25880, 26680, 28060, 28304, 29762, 35380, 37526, 39467, 40687, 51760, 53360, 56120, 59524, 70760, 74405, 75052, 78934, 81374, 93815, 112240, 119048, 141520, 148810, 150104, 157868, 162748, 187630, 197335, 203435, 238096, 297620, 300208, 315736, 325496, 375260, 394670, 406870, 431549, 595240, 631472, 650992, 750520, 789340, 813740, 863098, 907741, 1144543, 1190480, 1501040, 1578680, 1627480, 1726196, 1815482, 2157745, 2289086, 3157360, 3254960, 3452392, 3630964, 4315490, 4538705, 4578172, 5722715, 6904784, 7261928, 8630980, 9077410, 9156344, 11445430, 14523856, 17261960, 18154820, 18312688, 22890860, 26324489, 34523920, 36309640, 45781720, 52648978, 72619280, 91563440, 105297956, 131622445, 210595912, 263244890, 421191824, 526489780, 1052979560, 2105959120]

約数ペア:

[(1, 2105959120), (2, 1052979560), (4, 526489780), (5, 421191824), (8, 263244890), (10, 210595912), (16, 131622445), (20, 105297956), (23, 91563440), (29, 72619280), (40, 52648978), (46, 45781720), (58, 36309640), (61, 34523920), (80, 26324489), (92, 22890860), (115, 18312688), (116, 18154820), (122, 17261960), (145, 14523856), (184, 11445430), (230, 9156344), (232, 9077410), (244, 8630980), (290, 7261928), (305, 6904784), (368, 5722715), (460, 4578172), (464, 4538705), (488, 4315490), (580, 3630964), (610, 3452392), (647, 3254960), (667, 3157360), (920, 2289086), (976, 2157745), (1160, 1815482), (1220, 1726196), (1294, 1627480), (1334, 1578680), (1403, 1501040), (1769, 1190480), (1840, 1144543), (2320, 907741), (2440, 863098), (2588, 813740), (2668, 789340), (2806, 750520), (3235, 650992), (3335, 631472), (3538, 595240), (4880, 431549), (5176, 406870), (5336, 394670), (5612, 375260), (6470, 325496), (6670, 315736), (7015, 300208), (7076, 297620), (8845, 238096), (10352, 203435), (10672, 197335), (11224, 187630), (12940, 162748), (13340, 157868), (14030, 150104), (14152, 148810), (14881, 141520), (17690, 119048), (18763, 112240), (22448, 93815), (25880, 81374), (26680, 78934), (28060, 75052), (28304, 74405), (29762, 70760), (35380, 59524), (37526, 56120), (39467, 53360), (40687, 51760)]