65780000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 240

約数和(自身を含む): 198386496

約数和(自身を除く): 132606496

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 25, 26, 32, 40, 44, 46, 50, 52, 55, 65, 80, 88, 92, 100, 104, 110, 115, 125, 130, 143, 160, 176, 184, 200, 208, 220, 230, 250, 253, 260, 275, 286, 299, 325, 352, 368, 400, 416, 440, 460, 500, 506, 520, 550, 572, 575, 598, 625, 650, 715, 736, 800, 880, 920, 1000, 1012, 1040, 1100, 1144, 1150, 1196, 1250, 1265, 1300, 1375, 1430, 1495, 1625, 1760, 1840, 2000, 2024, 2080, 2200, 2288, 2300, 2392, 2500, 2530, 2600, 2750, 2860, 2875, 2990, 3250, 3289, 3575, 3680, 4000, 4048, 4400, 4576, 4600, 4784, 5000, 5060, 5200, 5500, 5720, 5750, 5980, 6325, 6500, 6578, 6875, 7150, 7475, 8096, 8125, 8800, 9200, 9568, 10000, 10120, 10400, 11000, 11440, 11500, 11960, 12650, 13000, 13156, 13750, 14300, 14375, 14950, 16250, 16445, 17875, 18400, 20000, 20240, 22000, 22880, 23000, 23920, 25300, 26000, 26312, 27500, 28600, 28750, 29900, 31625, 32500, 32890, 35750, 37375, 40480, 44000, 46000, 47840, 50600, 52000, 52624, 55000, 57200, 57500, 59800, 63250, 65000, 65780, 71500, 74750, 82225, 89375, 92000, 101200, 105248, 110000, 114400, 115000, 119600, 126500, 130000, 131560, 143000, 149500, 158125, 164450, 178750, 186875, 202400, 220000, 230000, 239200, 253000, 260000, 263120, 286000, 299000, 316250, 328900, 357500, 373750, 411125, 460000, 506000, 526240, 572000, 598000, 632500, 657800, 715000, 747500, 822250, 1012000, 1196000, 1265000, 1315600, 1430000, 1495000, 1644500, 2055625, 2530000, 2631200, 2860000, 2990000, 3289000, 4111250, 5060000, 5980000, 6578000, 8222500, 13156000, 16445000, 32890000, 65780000]

約数ペア:

[(1, 65780000), (2, 32890000), (4, 16445000), (5, 13156000), (8, 8222500), (10, 6578000), (11, 5980000), (13, 5060000), (16, 4111250), (20, 3289000), (22, 2990000), (23, 2860000), (25, 2631200), (26, 2530000), (32, 2055625), (40, 1644500), (44, 1495000), (46, 1430000), (50, 1315600), (52, 1265000), (55, 1196000), (65, 1012000), (80, 822250), (88, 747500), (92, 715000), (100, 657800), (104, 632500), (110, 598000), (115, 572000), (125, 526240), (130, 506000), (143, 460000), (160, 411125), (176, 373750), (184, 357500), (200, 328900), (208, 316250), (220, 299000), (230, 286000), (250, 263120), (253, 260000), (260, 253000), (275, 239200), (286, 230000), (299, 220000), (325, 202400), (352, 186875), (368, 178750), (400, 164450), (416, 158125), (440, 149500), (460, 143000), (500, 131560), (506, 130000), (520, 126500), (550, 119600), (572, 115000), (575, 114400), (598, 110000), (625, 105248), (650, 101200), (715, 92000), (736, 89375), (800, 82225), (880, 74750), (920, 71500), (1000, 65780), (1012, 65000), (1040, 63250), (1100, 59800), (1144, 57500), (1150, 57200), (1196, 55000), (1250, 52624), (1265, 52000), (1300, 50600), (1375, 47840), (1430, 46000), (1495, 44000), (1625, 40480), (1760, 37375), (1840, 35750), (2000, 32890), (2024, 32500), (2080, 31625), (2200, 29900), (2288, 28750), (2300, 28600), (2392, 27500), (2500, 26312), (2530, 26000), (2600, 25300), (2750, 23920), (2860, 23000), (2875, 22880), (2990, 22000), (3250, 20240), (3289, 20000), (3575, 18400), (3680, 17875), (4000, 16445), (4048, 16250), (4400, 14950), (4576, 14375), (4600, 14300), (4784, 13750), (5000, 13156), (5060, 13000), (5200, 12650), (5500, 11960), (5720, 11500), (5750, 11440), (5980, 11000), (6325, 10400), (6500, 10120), (6578, 10000), (6875, 9568), (7150, 9200), (7475, 8800), (8096, 8125)]