1640900640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:911

約数の個数: 192

約数和(自身を含む): 5345657856

約数和(自身を除く): 3704757216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 107, 120, 129, 160, 172, 214, 215, 240, 258, 321, 344, 428, 430, 480, 516, 535, 642, 645, 688, 743, 856, 860, 1032, 1070, 1284, 1290, 1376, 1486, 1605, 1712, 1720, 2064, 2140, 2229, 2568, 2580, 2972, 3210, 3424, 3440, 3715, 4128, 4280, 4458, 4601, 5136, 5160, 5944, 6420, 6880, 7430, 8560, 8916, 9202, 10272, 10320, 11145, 11888, 12840, 13803, 14860, 17120, 17832, 18404, 20640, 22290, 23005, 23776, 25680, 27606, 29720, 31949, 35664, 36808, 44580, 46010, 51360, 55212, 59440, 63898, 69015, 71328, 73616, 79501, 89160, 92020, 95847, 110424, 118880, 127796, 138030, 147232, 159002, 159745, 178320, 184040, 191694, 220848, 238503, 255592, 276060, 318004, 319490, 356640, 368080, 383388, 397505, 441696, 477006, 479235, 511184, 552120, 636008, 638980, 736160, 766776, 795010, 954012, 958470, 1022368, 1104240, 1192515, 1272016, 1277960, 1533552, 1590020, 1908024, 1916940, 2208480, 2385030, 2544032, 2555920, 3067104, 3180040, 3418543, 3816048, 3833880, 4770060, 5111840, 6360080, 6837086, 7632096, 7667760, 9540120, 10255629, 12720160, 13674172, 15335520, 17092715, 19080240, 20511258, 27348344, 34185430, 38160480, 41022516, 51278145, 54696688, 68370860, 82045032, 102556290, 109393376, 136741720, 164090064, 205112580, 273483440, 328180128, 410225160, 546966880, 820450320, 1640900640]

約数ペア:

[(1, 1640900640), (2, 820450320), (3, 546966880), (4, 410225160), (5, 328180128), (6, 273483440), (8, 205112580), (10, 164090064), (12, 136741720), (15, 109393376), (16, 102556290), (20, 82045032), (24, 68370860), (30, 54696688), (32, 51278145), (40, 41022516), (43, 38160480), (48, 34185430), (60, 27348344), (80, 20511258), (86, 19080240), (96, 17092715), (107, 15335520), (120, 13674172), (129, 12720160), (160, 10255629), (172, 9540120), (214, 7667760), (215, 7632096), (240, 6837086), (258, 6360080), (321, 5111840), (344, 4770060), (428, 3833880), (430, 3816048), (480, 3418543), (516, 3180040), (535, 3067104), (642, 2555920), (645, 2544032), (688, 2385030), (743, 2208480), (856, 1916940), (860, 1908024), (1032, 1590020), (1070, 1533552), (1284, 1277960), (1290, 1272016), (1376, 1192515), (1486, 1104240), (1605, 1022368), (1712, 958470), (1720, 954012), (2064, 795010), (2140, 766776), (2229, 736160), (2568, 638980), (2580, 636008), (2972, 552120), (3210, 511184), (3424, 479235), (3440, 477006), (3715, 441696), (4128, 397505), (4280, 383388), (4458, 368080), (4601, 356640), (5136, 319490), (5160, 318004), (5944, 276060), (6420, 255592), (6880, 238503), (7430, 220848), (8560, 191694), (8916, 184040), (9202, 178320), (10272, 159745), (10320, 159002), (11145, 147232), (11888, 138030), (12840, 127796), (13803, 118880), (14860, 110424), (17120, 95847), (17832, 92020), (18404, 89160), (20640, 79501), (22290, 73616), (23005, 71328), (23776, 69015), (25680, 63898), (27606, 59440), (29720, 55212), (31949, 51360), (35664, 46010), (36808, 44580)]