216765640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 256

約数和(自身を含む): 661893120

約数和(自身を除く): 445127480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 31, 34, 35, 40, 52, 56, 62, 65, 68, 70, 85, 91, 104, 113, 119, 124, 130, 136, 140, 155, 170, 182, 217, 221, 226, 238, 248, 260, 280, 310, 340, 364, 403, 434, 442, 452, 455, 476, 520, 527, 565, 595, 620, 680, 728, 791, 806, 868, 884, 904, 910, 952, 1054, 1085, 1105, 1130, 1190, 1240, 1469, 1547, 1582, 1612, 1736, 1768, 1820, 1921, 2015, 2108, 2170, 2210, 2260, 2380, 2635, 2821, 2938, 3094, 3164, 3224, 3503, 3640, 3689, 3842, 3955, 4030, 4216, 4340, 4420, 4520, 4760, 5270, 5642, 5876, 6188, 6328, 6851, 7006, 7345, 7378, 7684, 7735, 7910, 8060, 8680, 8840, 9605, 10283, 10540, 11284, 11752, 12376, 13447, 13702, 14012, 14105, 14690, 14756, 15368, 15470, 15820, 16120, 17515, 18445, 19210, 20566, 21080, 22568, 24521, 24973, 26894, 27404, 28024, 28210, 29380, 29512, 30940, 31640, 34255, 35030, 36890, 38420, 41132, 45539, 47957, 49042, 49946, 51415, 53788, 54808, 56420, 58760, 59551, 61880, 67235, 68510, 70060, 73780, 76840, 82264, 91078, 95914, 98084, 99892, 102830, 107576, 112840, 119102, 122605, 124865, 134470, 137020, 140120, 147560, 174811, 182156, 191828, 196168, 199784, 205660, 227695, 238204, 239785, 245210, 249730, 268940, 274040, 297755, 318773, 349622, 364312, 383656, 411320, 416857, 455390, 476408, 479570, 490420, 499460, 537880, 595510, 637546, 699244, 774163, 833714, 874055, 910780, 959140, 980840, 998920, 1191020, 1275092, 1398488, 1548326, 1593865, 1667428, 1748110, 1821560, 1918280, 2084285, 2382040, 2550184, 3096652, 3187730, 3334856, 3496220, 3870815, 4168570, 5419141, 6193304, 6375460, 6992440, 7741630, 8337140, 10838282, 12750920, 15483260, 16674280, 21676564, 27095705, 30966520, 43353128, 54191410, 108382820, 216765640]

約数ペア:

[(1, 216765640), (2, 108382820), (4, 54191410), (5, 43353128), (7, 30966520), (8, 27095705), (10, 21676564), (13, 16674280), (14, 15483260), (17, 12750920), (20, 10838282), (26, 8337140), (28, 7741630), (31, 6992440), (34, 6375460), (35, 6193304), (40, 5419141), (52, 4168570), (56, 3870815), (62, 3496220), (65, 3334856), (68, 3187730), (70, 3096652), (85, 2550184), (91, 2382040), (104, 2084285), (113, 1918280), (119, 1821560), (124, 1748110), (130, 1667428), (136, 1593865), (140, 1548326), (155, 1398488), (170, 1275092), (182, 1191020), (217, 998920), (221, 980840), (226, 959140), (238, 910780), (248, 874055), (260, 833714), (280, 774163), (310, 699244), (340, 637546), (364, 595510), (403, 537880), (434, 499460), (442, 490420), (452, 479570), (455, 476408), (476, 455390), (520, 416857), (527, 411320), (565, 383656), (595, 364312), (620, 349622), (680, 318773), (728, 297755), (791, 274040), (806, 268940), (868, 249730), (884, 245210), (904, 239785), (910, 238204), (952, 227695), (1054, 205660), (1085, 199784), (1105, 196168), (1130, 191828), (1190, 182156), (1240, 174811), (1469, 147560), (1547, 140120), (1582, 137020), (1612, 134470), (1736, 124865), (1768, 122605), (1820, 119102), (1921, 112840), (2015, 107576), (2108, 102830), (2170, 99892), (2210, 98084), (2260, 95914), (2380, 91078), (2635, 82264), (2821, 76840), (2938, 73780), (3094, 70060), (3164, 68510), (3224, 67235), (3503, 61880), (3640, 59551), (3689, 58760), (3842, 56420), (3955, 54808), (4030, 53788), (4216, 51415), (4340, 49946), (4420, 49042), (4520, 47957), (4760, 45539), (5270, 41132), (5642, 38420), (5876, 36890), (6188, 35030), (6328, 34255), (6851, 31640), (7006, 30940), (7345, 29512), (7378, 29380), (7684, 28210), (7735, 28024), (7910, 27404), (8060, 26894), (8680, 24973), (8840, 24521), (9605, 22568), (10283, 21080), (10540, 20566), (11284, 19210), (11752, 18445), (12376, 17515), (13447, 16120), (13702, 15820), (14012, 15470), (14105, 15368), (14690, 14756)]