30078720

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{373}}^1$

素因数の和:407

約数の個数: 216

約数和(自身を含む): 119255136

約数和(自身を除く): 89176416

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, 256, 280, 288, 315, 320, 336, 360, 373, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 746, 768, 840, 896, 960, 1008, 1119, 1120, 1152, 1260, 1280, 1344, 1440, 1492, 1680, 1792, 1865, 1920, 2016, 2238, 2240, 2304, 2520, 2611, 2688, 2880, 2984, 3357, 3360, 3730, 3840, 4032, 4476, 4480, 5040, 5222, 5376, 5595, 5760, 5968, 6714, 6720, 7460, 7833, 8064, 8952, 8960, 10080, 10444, 11190, 11520, 11936, 13055, 13428, 13440, 14920, 15666, 16128, 16785, 17904, 20160, 20888, 22380, 23499, 23872, 26110, 26856, 26880, 29840, 31332, 33570, 35808, 39165, 40320, 41776, 44760, 46998, 47744, 52220, 53712, 59680, 62664, 67140, 71616, 78330, 80640, 83552, 89520, 93996, 95488, 104440, 107424, 117495, 119360, 125328, 134280, 143232, 156660, 167104, 179040, 187992, 208880, 214848, 234990, 238720, 250656, 268560, 286464, 313320, 334208, 358080, 375984, 417760, 429696, 469980, 477440, 501312, 537120, 626640, 668416, 716160, 751968, 835520, 859392, 939960, 1002624, 1074240, 1253280, 1432320, 1503936, 1671040, 1879920, 2005248, 2148480, 2506560, 3007872, 3342080, 3759840, 4296960, 5013120, 6015744, 7519680, 10026240, 15039360, 30078720]

約数ペア:

[(1, 30078720), (2, 15039360), (3, 10026240), (4, 7519680), (5, 6015744), (6, 5013120), (7, 4296960), (8, 3759840), (9, 3342080), (10, 3007872), (12, 2506560), (14, 2148480), (15, 2005248), (16, 1879920), (18, 1671040), (20, 1503936), (21, 1432320), (24, 1253280), (28, 1074240), (30, 1002624), (32, 939960), (35, 859392), (36, 835520), (40, 751968), (42, 716160), (45, 668416), (48, 626640), (56, 537120), (60, 501312), (63, 477440), (64, 469980), (70, 429696), (72, 417760), (80, 375984), (84, 358080), (90, 334208), (96, 313320), (105, 286464), (112, 268560), (120, 250656), (126, 238720), (128, 234990), (140, 214848), (144, 208880), (160, 187992), (168, 179040), (180, 167104), (192, 156660), (210, 143232), (224, 134280), (240, 125328), (252, 119360), (256, 117495), (280, 107424), (288, 104440), (315, 95488), (320, 93996), (336, 89520), (360, 83552), (373, 80640), (384, 78330), (420, 71616), (448, 67140), (480, 62664), (504, 59680), (560, 53712), (576, 52220), (630, 47744), (640, 46998), (672, 44760), (720, 41776), (746, 40320), (768, 39165), (840, 35808), (896, 33570), (960, 31332), (1008, 29840), (1119, 26880), (1120, 26856), (1152, 26110), (1260, 23872), (1280, 23499), (1344, 22380), (1440, 20888), (1492, 20160), (1680, 17904), (1792, 16785), (1865, 16128), (1920, 15666), (2016, 14920), (2238, 13440), (2240, 13428), (2304, 13055), (2520, 11936), (2611, 11520), (2688, 11190), (2880, 10444), (2984, 10080), (3357, 8960), (3360, 8952), (3730, 8064), (3840, 7833), (4032, 7460), (4476, 6720), (4480, 6714), (5040, 5968), (5222, 5760), (5376, 5595)]