78815880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1572

約数の個数: 192

約数和(自身を含む): 301129920

約数和(自身を除く): 222314040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 572, 585, 660, 715, 780, 792, 858, 936, 990, 1144, 1170, 1287, 1320, 1430, 1531, 1560, 1716, 1980, 2145, 2340, 2574, 2860, 3062, 3432, 3960, 4290, 4593, 4680, 5148, 5720, 6124, 6435, 7655, 8580, 9186, 10296, 12248, 12870, 13779, 15310, 16841, 17160, 18372, 19903, 22965, 25740, 27558, 30620, 33682, 36744, 39806, 45930, 50523, 51480, 55116, 59709, 61240, 67364, 68895, 79612, 84205, 91860, 99515, 101046, 110232, 119418, 134728, 137790, 151569, 159224, 168410, 179127, 183720, 199030, 202092, 218933, 238836, 252615, 275580, 298545, 303138, 336820, 358254, 398060, 404184, 437866, 477672, 505230, 551160, 597090, 606276, 656799, 673640, 716508, 757845, 796120, 875732, 895635, 1010460, 1094665, 1194180, 1212552, 1313598, 1433016, 1515690, 1751464, 1791270, 1970397, 2020920, 2189330, 2388360, 2627196, 3031380, 3283995, 3582540, 3940794, 4378660, 5254392, 6062760, 6567990, 7165080, 7881588, 8757320, 9851985, 13135980, 15763176, 19703970, 26271960, 39407940, 78815880]

約数ペア:

[(1, 78815880), (2, 39407940), (3, 26271960), (4, 19703970), (5, 15763176), (6, 13135980), (8, 9851985), (9, 8757320), (10, 7881588), (11, 7165080), (12, 6567990), (13, 6062760), (15, 5254392), (18, 4378660), (20, 3940794), (22, 3582540), (24, 3283995), (26, 3031380), (30, 2627196), (33, 2388360), (36, 2189330), (39, 2020920), (40, 1970397), (44, 1791270), (45, 1751464), (52, 1515690), (55, 1433016), (60, 1313598), (65, 1212552), (66, 1194180), (72, 1094665), (78, 1010460), (88, 895635), (90, 875732), (99, 796120), (104, 757845), (110, 716508), (117, 673640), (120, 656799), (130, 606276), (132, 597090), (143, 551160), (156, 505230), (165, 477672), (180, 437866), (195, 404184), (198, 398060), (220, 358254), (234, 336820), (260, 303138), (264, 298545), (286, 275580), (312, 252615), (330, 238836), (360, 218933), (390, 202092), (396, 199030), (429, 183720), (440, 179127), (468, 168410), (495, 159224), (520, 151569), (572, 137790), (585, 134728), (660, 119418), (715, 110232), (780, 101046), (792, 99515), (858, 91860), (936, 84205), (990, 79612), (1144, 68895), (1170, 67364), (1287, 61240), (1320, 59709), (1430, 55116), (1531, 51480), (1560, 50523), (1716, 45930), (1980, 39806), (2145, 36744), (2340, 33682), (2574, 30620), (2860, 27558), (3062, 25740), (3432, 22965), (3960, 19903), (4290, 18372), (4593, 17160), (4680, 16841), (5148, 15310), (5720, 13779), (6124, 12870), (6435, 12248), (7655, 10296), (8580, 9186)]