217601440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 620524800

約数和(自身を除く): 402923360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 59, 70, 74, 80, 89, 112, 118, 140, 148, 160, 178, 185, 224, 236, 259, 280, 295, 296, 356, 370, 413, 445, 472, 518, 560, 590, 592, 623, 712, 740, 826, 890, 944, 1036, 1120, 1180, 1184, 1246, 1295, 1424, 1480, 1652, 1780, 1888, 2065, 2072, 2183, 2360, 2492, 2590, 2848, 2960, 3115, 3293, 3304, 3560, 4130, 4144, 4366, 4720, 4984, 5180, 5251, 5920, 6230, 6586, 6608, 7120, 8260, 8288, 8732, 9440, 9968, 10360, 10502, 10915, 12460, 13172, 13216, 14240, 15281, 16465, 16520, 17464, 19936, 20720, 21004, 21830, 23051, 24920, 26255, 26344, 30562, 32930, 33040, 34928, 36757, 41440, 42008, 43660, 46102, 49840, 52510, 52688, 61124, 65860, 66080, 69856, 73514, 76405, 84016, 87320, 92204, 99680, 105020, 105376, 115255, 122248, 131720, 147028, 152810, 168032, 174640, 183785, 184408, 194287, 210040, 230510, 244496, 263440, 294056, 305620, 349280, 367570, 368816, 388574, 420080, 461020, 488992, 526880, 588112, 611240, 735140, 737632, 777148, 840160, 922040, 971435, 1176224, 1222480, 1360009, 1470280, 1554296, 1844080, 1942870, 2444960, 2720018, 2940560, 3108592, 3688160, 3885740, 5440036, 5881120, 6217184, 6800045, 7771480, 10880072, 13600090, 15542960, 21760144, 27200180, 31085920, 43520288, 54400360, 108800720, 217601440]

約数ペア:

[(1, 217601440), (2, 108800720), (4, 54400360), (5, 43520288), (7, 31085920), (8, 27200180), (10, 21760144), (14, 15542960), (16, 13600090), (20, 10880072), (28, 7771480), (32, 6800045), (35, 6217184), (37, 5881120), (40, 5440036), (56, 3885740), (59, 3688160), (70, 3108592), (74, 2940560), (80, 2720018), (89, 2444960), (112, 1942870), (118, 1844080), (140, 1554296), (148, 1470280), (160, 1360009), (178, 1222480), (185, 1176224), (224, 971435), (236, 922040), (259, 840160), (280, 777148), (295, 737632), (296, 735140), (356, 611240), (370, 588112), (413, 526880), (445, 488992), (472, 461020), (518, 420080), (560, 388574), (590, 368816), (592, 367570), (623, 349280), (712, 305620), (740, 294056), (826, 263440), (890, 244496), (944, 230510), (1036, 210040), (1120, 194287), (1180, 184408), (1184, 183785), (1246, 174640), (1295, 168032), (1424, 152810), (1480, 147028), (1652, 131720), (1780, 122248), (1888, 115255), (2065, 105376), (2072, 105020), (2183, 99680), (2360, 92204), (2492, 87320), (2590, 84016), (2848, 76405), (2960, 73514), (3115, 69856), (3293, 66080), (3304, 65860), (3560, 61124), (4130, 52688), (4144, 52510), (4366, 49840), (4720, 46102), (4984, 43660), (5180, 42008), (5251, 41440), (5920, 36757), (6230, 34928), (6586, 33040), (6608, 32930), (7120, 30562), (8260, 26344), (8288, 26255), (8732, 24920), (9440, 23051), (9968, 21830), (10360, 21004), (10502, 20720), (10915, 19936), (12460, 17464), (13172, 16520), (13216, 16465), (14240, 15281)]