217813440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:627

約数の個数: 224

約数和(自身を含む): 770144256

約数和(自身を除く): 552330816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 372, 390, 403, 416, 465, 480, 496, 520, 563, 620, 624, 744, 780, 806, 832, 930, 960, 992, 1040, 1126, 1209, 1240, 1248, 1488, 1560, 1612, 1689, 1860, 1984, 2015, 2080, 2252, 2418, 2480, 2496, 2815, 2976, 3120, 3224, 3378, 3720, 4030, 4160, 4504, 4836, 4960, 5630, 5952, 6045, 6240, 6448, 6756, 7319, 7440, 8060, 8445, 9008, 9672, 9920, 11260, 12090, 12480, 12896, 13512, 14638, 14880, 16120, 16890, 17453, 18016, 19344, 21957, 22520, 24180, 25792, 27024, 29276, 29760, 32240, 33780, 34906, 36032, 36595, 38688, 43914, 45040, 48360, 52359, 54048, 58552, 64480, 67560, 69812, 73190, 77376, 87265, 87828, 90080, 96720, 104718, 108096, 109785, 117104, 128960, 135120, 139624, 146380, 174530, 175656, 180160, 193440, 209436, 219570, 226889, 234208, 261795, 270240, 279248, 292760, 349060, 351312, 386880, 418872, 439140, 453778, 468416, 523590, 540480, 558496, 585520, 680667, 698120, 702624, 837744, 878280, 907556, 1047180, 1116992, 1134445, 1171040, 1361334, 1396240, 1405248, 1675488, 1756560, 1815112, 2094360, 2268890, 2342080, 2722668, 2792480, 3350976, 3403335, 3513120, 3630224, 4188720, 4537780, 5445336, 5584960, 6806670, 7026240, 7260448, 8377440, 9075560, 10890672, 13613340, 14520896, 16754880, 18151120, 21781344, 27226680, 36302240, 43562688, 54453360, 72604480, 108906720, 217813440]

約数ペア:

[(1, 217813440), (2, 108906720), (3, 72604480), (4, 54453360), (5, 43562688), (6, 36302240), (8, 27226680), (10, 21781344), (12, 18151120), (13, 16754880), (15, 14520896), (16, 13613340), (20, 10890672), (24, 9075560), (26, 8377440), (30, 7260448), (31, 7026240), (32, 6806670), (39, 5584960), (40, 5445336), (48, 4537780), (52, 4188720), (60, 3630224), (62, 3513120), (64, 3403335), (65, 3350976), (78, 2792480), (80, 2722668), (93, 2342080), (96, 2268890), (104, 2094360), (120, 1815112), (124, 1756560), (130, 1675488), (155, 1405248), (156, 1396240), (160, 1361334), (186, 1171040), (192, 1134445), (195, 1116992), (208, 1047180), (240, 907556), (248, 878280), (260, 837744), (310, 702624), (312, 698120), (320, 680667), (372, 585520), (390, 558496), (403, 540480), (416, 523590), (465, 468416), (480, 453778), (496, 439140), (520, 418872), (563, 386880), (620, 351312), (624, 349060), (744, 292760), (780, 279248), (806, 270240), (832, 261795), (930, 234208), (960, 226889), (992, 219570), (1040, 209436), (1126, 193440), (1209, 180160), (1240, 175656), (1248, 174530), (1488, 146380), (1560, 139624), (1612, 135120), (1689, 128960), (1860, 117104), (1984, 109785), (2015, 108096), (2080, 104718), (2252, 96720), (2418, 90080), (2480, 87828), (2496, 87265), (2815, 77376), (2976, 73190), (3120, 69812), (3224, 67560), (3378, 64480), (3720, 58552), (4030, 54048), (4160, 52359), (4504, 48360), (4836, 45040), (4960, 43914), (5630, 38688), (5952, 36595), (6045, 36032), (6240, 34906), (6448, 33780), (6756, 32240), (7319, 29760), (7440, 29276), (8060, 27024), (8445, 25792), (9008, 24180), (9672, 22520), (9920, 21957), (11260, 19344), (12090, 18016), (12480, 17453), (12896, 16890), (13512, 16120), (14638, 14880)]