217687680

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{5399}}^1$

素因数の和:5431

約数の個数: 192

約数和(自身を含む): 859248000

約数和(自身を除く): 641560320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5399, 5760, 6720, 8064, 10080, 10798, 13440, 16197, 20160, 21596, 26995, 32394, 37793, 40320, 43192, 48591, 53990, 64788, 75586, 80985, 86384, 97182, 107980, 113379, 129576, 151172, 161970, 172768, 188965, 194364, 215960, 226758, 242955, 259152, 302344, 323940, 340137, 345536, 377930, 388728, 431920, 453516, 485910, 518304, 566895, 604688, 647880, 680274, 691072, 755860, 777456, 863840, 907032, 971820, 1036608, 1133790, 1209376, 1295760, 1360548, 1511720, 1554912, 1700685, 1727680, 1814064, 1943640, 2073216, 2267580, 2418752, 2591520, 2721096, 3023440, 3109824, 3401370, 3455360, 3628128, 3887280, 4535160, 4837504, 5183040, 5442192, 6046880, 6219648, 6802740, 7256256, 7774560, 9070320, 10366080, 10884384, 12093760, 13605480, 14512512, 15549120, 18140640, 21768768, 24187520, 27210960, 31098240, 36281280, 43537536, 54421920, 72562560, 108843840, 217687680]

約数ペア:

[(1, 217687680), (2, 108843840), (3, 72562560), (4, 54421920), (5, 43537536), (6, 36281280), (7, 31098240), (8, 27210960), (9, 24187520), (10, 21768768), (12, 18140640), (14, 15549120), (15, 14512512), (16, 13605480), (18, 12093760), (20, 10884384), (21, 10366080), (24, 9070320), (28, 7774560), (30, 7256256), (32, 6802740), (35, 6219648), (36, 6046880), (40, 5442192), (42, 5183040), (45, 4837504), (48, 4535160), (56, 3887280), (60, 3628128), (63, 3455360), (64, 3401370), (70, 3109824), (72, 3023440), (80, 2721096), (84, 2591520), (90, 2418752), (96, 2267580), (105, 2073216), (112, 1943640), (120, 1814064), (126, 1727680), (128, 1700685), (140, 1554912), (144, 1511720), (160, 1360548), (168, 1295760), (180, 1209376), (192, 1133790), (210, 1036608), (224, 971820), (240, 907032), (252, 863840), (280, 777456), (288, 755860), (315, 691072), (320, 680274), (336, 647880), (360, 604688), (384, 566895), (420, 518304), (448, 485910), (480, 453516), (504, 431920), (560, 388728), (576, 377930), (630, 345536), (640, 340137), (672, 323940), (720, 302344), (840, 259152), (896, 242955), (960, 226758), (1008, 215960), (1120, 194364), (1152, 188965), (1260, 172768), (1344, 161970), (1440, 151172), (1680, 129576), (1920, 113379), (2016, 107980), (2240, 97182), (2520, 86384), (2688, 80985), (2880, 75586), (3360, 64788), (4032, 53990), (4480, 48591), (5040, 43192), (5399, 40320), (5760, 37793), (6720, 32394), (8064, 26995), (10080, 21596), (10798, 20160), (13440, 16197)]