20810400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 288

約数和(自身を含む): 78744960

約数和(自身を除く): 57934560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 25, 26, 29, 30, 32, 39, 40, 46, 48, 50, 52, 58, 60, 65, 69, 75, 78, 80, 87, 92, 96, 100, 104, 115, 116, 120, 130, 138, 145, 150, 156, 160, 174, 184, 195, 200, 208, 230, 232, 240, 260, 276, 290, 299, 300, 312, 325, 345, 348, 368, 377, 390, 400, 416, 435, 460, 464, 480, 520, 552, 575, 580, 598, 600, 624, 650, 667, 690, 696, 725, 736, 754, 780, 800, 870, 897, 920, 928, 975, 1040, 1104, 1131, 1150, 1160, 1196, 1200, 1248, 1300, 1334, 1380, 1392, 1450, 1495, 1508, 1560, 1725, 1740, 1794, 1840, 1885, 1950, 2001, 2080, 2175, 2208, 2262, 2300, 2320, 2392, 2400, 2600, 2668, 2760, 2784, 2900, 2990, 3016, 3120, 3335, 3450, 3480, 3588, 3680, 3770, 3900, 4002, 4350, 4485, 4524, 4600, 4640, 4784, 5200, 5336, 5520, 5655, 5800, 5980, 6032, 6240, 6670, 6900, 6960, 7176, 7475, 7540, 7800, 8004, 8671, 8700, 8970, 9048, 9200, 9425, 9568, 10005, 10400, 10672, 11040, 11310, 11600, 11960, 12064, 13340, 13800, 13920, 14352, 14950, 15080, 15600, 16008, 16675, 17342, 17400, 17940, 18096, 18400, 18850, 20010, 21344, 22425, 22620, 23200, 23920, 26013, 26680, 27600, 28275, 28704, 29900, 30160, 31200, 32016, 33350, 34684, 34800, 35880, 36192, 37700, 40020, 43355, 44850, 45240, 47840, 50025, 52026, 53360, 55200, 56550, 59800, 60320, 64032, 66700, 69368, 69600, 71760, 75400, 80040, 86710, 89700, 90480, 100050, 104052, 106720, 113100, 119600, 130065, 133400, 138736, 143520, 150800, 160080, 173420, 179400, 180960, 200100, 208104, 216775, 226200, 239200, 260130, 266800, 277472, 301600, 320160, 346840, 358800, 400200, 416208, 433550, 452400, 520260, 533600, 650325, 693680, 717600, 800400, 832416, 867100, 904800, 1040520, 1300650, 1387360, 1600800, 1734200, 2081040, 2601300, 3468400, 4162080, 5202600, 6936800, 10405200, 20810400]

約数ペア:

[(1, 20810400), (2, 10405200), (3, 6936800), (4, 5202600), (5, 4162080), (6, 3468400), (8, 2601300), (10, 2081040), (12, 1734200), (13, 1600800), (15, 1387360), (16, 1300650), (20, 1040520), (23, 904800), (24, 867100), (25, 832416), (26, 800400), (29, 717600), (30, 693680), (32, 650325), (39, 533600), (40, 520260), (46, 452400), (48, 433550), (50, 416208), (52, 400200), (58, 358800), (60, 346840), (65, 320160), (69, 301600), (75, 277472), (78, 266800), (80, 260130), (87, 239200), (92, 226200), (96, 216775), (100, 208104), (104, 200100), (115, 180960), (116, 179400), (120, 173420), (130, 160080), (138, 150800), (145, 143520), (150, 138736), (156, 133400), (160, 130065), (174, 119600), (184, 113100), (195, 106720), (200, 104052), (208, 100050), (230, 90480), (232, 89700), (240, 86710), (260, 80040), (276, 75400), (290, 71760), (299, 69600), (300, 69368), (312, 66700), (325, 64032), (345, 60320), (348, 59800), (368, 56550), (377, 55200), (390, 53360), (400, 52026), (416, 50025), (435, 47840), (460, 45240), (464, 44850), (480, 43355), (520, 40020), (552, 37700), (575, 36192), (580, 35880), (598, 34800), (600, 34684), (624, 33350), (650, 32016), (667, 31200), (690, 30160), (696, 29900), (725, 28704), (736, 28275), (754, 27600), (780, 26680), (800, 26013), (870, 23920), (897, 23200), (920, 22620), (928, 22425), (975, 21344), (1040, 20010), (1104, 18850), (1131, 18400), (1150, 18096), (1160, 17940), (1196, 17400), (1200, 17342), (1248, 16675), (1300, 16008), (1334, 15600), (1380, 15080), (1392, 14950), (1450, 14352), (1495, 13920), (1508, 13800), (1560, 13340), (1725, 12064), (1740, 11960), (1794, 11600), (1840, 11310), (1885, 11040), (1950, 10672), (2001, 10400), (2080, 10005), (2175, 9568), (2208, 9425), (2262, 9200), (2300, 9048), (2320, 8970), (2392, 8700), (2400, 8671), (2600, 8004), (2668, 7800), (2760, 7540), (2784, 7475), (2900, 7176), (2990, 6960), (3016, 6900), (3120, 6670), (3335, 6240), (3450, 6032), (3480, 5980), (3588, 5800), (3680, 5655), (3770, 5520), (3900, 5336), (4002, 5200), (4350, 4784), (4485, 4640), (4524, 4600)]