80999880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 264297600

約数和(自身を除く): 183297720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 137, 156, 195, 260, 274, 312, 379, 390, 411, 520, 548, 685, 758, 780, 822, 1096, 1137, 1370, 1516, 1560, 1644, 1781, 1895, 2055, 2274, 2740, 3032, 3288, 3562, 3790, 4110, 4548, 4927, 5343, 5480, 5685, 7124, 7580, 8220, 8905, 9096, 9854, 10686, 11370, 14248, 14781, 15160, 16440, 17810, 19708, 21372, 22740, 24635, 26715, 29562, 35620, 39416, 42744, 45480, 49270, 51923, 53430, 59124, 71240, 73905, 98540, 103846, 106860, 118248, 147810, 155769, 197080, 207692, 213720, 259615, 295620, 311538, 415384, 519230, 591240, 623076, 674999, 778845, 1038460, 1246152, 1349998, 1557690, 2024997, 2076920, 2699996, 3115380, 3374995, 4049994, 5399992, 6230760, 6749990, 8099988, 10124985, 13499980, 16199976, 20249970, 26999960, 40499940, 80999880]

約数ペア:

[(1, 80999880), (2, 40499940), (3, 26999960), (4, 20249970), (5, 16199976), (6, 13499980), (8, 10124985), (10, 8099988), (12, 6749990), (13, 6230760), (15, 5399992), (20, 4049994), (24, 3374995), (26, 3115380), (30, 2699996), (39, 2076920), (40, 2024997), (52, 1557690), (60, 1349998), (65, 1246152), (78, 1038460), (104, 778845), (120, 674999), (130, 623076), (137, 591240), (156, 519230), (195, 415384), (260, 311538), (274, 295620), (312, 259615), (379, 213720), (390, 207692), (411, 197080), (520, 155769), (548, 147810), (685, 118248), (758, 106860), (780, 103846), (822, 98540), (1096, 73905), (1137, 71240), (1370, 59124), (1516, 53430), (1560, 51923), (1644, 49270), (1781, 45480), (1895, 42744), (2055, 39416), (2274, 35620), (2740, 29562), (3032, 26715), (3288, 24635), (3562, 22740), (3790, 21372), (4110, 19708), (4548, 17810), (4927, 16440), (5343, 15160), (5480, 14781), (5685, 14248), (7124, 11370), (7580, 10686), (8220, 9854), (8905, 9096)]