855843040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1093

約数の個数: 144

約数和(自身を含む): 2262266496

約数和(自身を除く): 1406423456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 169, 208, 248, 260, 310, 338, 403, 416, 496, 520, 620, 676, 806, 845, 992, 1021, 1040, 1240, 1352, 1612, 1690, 2015, 2042, 2080, 2480, 2704, 3224, 3380, 4030, 4084, 4960, 5105, 5239, 5408, 6448, 6760, 8060, 8168, 10210, 10478, 12896, 13273, 13520, 16120, 16336, 20420, 20956, 26195, 26546, 27040, 31651, 32240, 32672, 40840, 41912, 52390, 53092, 63302, 64480, 66365, 81680, 83824, 104780, 106184, 126604, 132730, 158255, 163360, 167648, 172549, 209560, 212368, 253208, 265460, 316510, 345098, 411463, 419120, 424736, 506416, 530920, 633020, 690196, 822926, 838240, 862745, 1012832, 1061840, 1266040, 1380392, 1645852, 1725490, 2057315, 2123680, 2532080, 2760784, 3291704, 3450980, 4114630, 5064160, 5349019, 5521568, 6583408, 6901960, 8229260, 10698038, 13166816, 13803920, 16458520, 21396076, 26745095, 27607840, 32917040, 42792152, 53490190, 65834080, 85584304, 106980380, 171168608, 213960760, 427921520, 855843040]

約数ペア:

[(1, 855843040), (2, 427921520), (4, 213960760), (5, 171168608), (8, 106980380), (10, 85584304), (13, 65834080), (16, 53490190), (20, 42792152), (26, 32917040), (31, 27607840), (32, 26745095), (40, 21396076), (52, 16458520), (62, 13803920), (65, 13166816), (80, 10698038), (104, 8229260), (124, 6901960), (130, 6583408), (155, 5521568), (160, 5349019), (169, 5064160), (208, 4114630), (248, 3450980), (260, 3291704), (310, 2760784), (338, 2532080), (403, 2123680), (416, 2057315), (496, 1725490), (520, 1645852), (620, 1380392), (676, 1266040), (806, 1061840), (845, 1012832), (992, 862745), (1021, 838240), (1040, 822926), (1240, 690196), (1352, 633020), (1612, 530920), (1690, 506416), (2015, 424736), (2042, 419120), (2080, 411463), (2480, 345098), (2704, 316510), (3224, 265460), (3380, 253208), (4030, 212368), (4084, 209560), (4960, 172549), (5105, 167648), (5239, 163360), (5408, 158255), (6448, 132730), (6760, 126604), (8060, 106184), (8168, 104780), (10210, 83824), (10478, 81680), (12896, 66365), (13273, 64480), (13520, 63302), (16120, 53092), (16336, 52390), (20420, 41912), (20956, 40840), (26195, 32672), (26546, 32240), (27040, 31651)]