745664640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:647

約数の個数: 256

約数和(自身を含む): 2746656000

約数和(自身を除く): 2000991360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 109, 112, 120, 128, 140, 160, 168, 192, 210, 218, 224, 240, 280, 320, 327, 336, 384, 420, 436, 448, 480, 509, 545, 560, 640, 654, 672, 763, 840, 872, 896, 960, 1018, 1090, 1120, 1308, 1344, 1526, 1527, 1635, 1680, 1744, 1920, 2036, 2180, 2240, 2289, 2545, 2616, 2688, 3052, 3054, 3270, 3360, 3488, 3563, 3815, 4072, 4360, 4480, 4578, 5090, 5232, 6104, 6108, 6540, 6720, 6976, 7126, 7630, 7635, 8144, 8720, 9156, 10180, 10464, 10689, 11445, 12208, 12216, 13080, 13440, 13952, 14252, 15260, 15270, 16288, 17440, 17815, 18312, 20360, 20928, 21378, 22890, 24416, 24432, 26160, 28504, 30520, 30540, 32576, 34880, 35630, 36624, 40720, 41856, 42756, 45780, 48832, 48864, 52320, 53445, 55481, 57008, 61040, 61080, 65152, 69760, 71260, 73248, 81440, 85512, 91560, 97664, 97728, 104640, 106890, 110962, 114016, 122080, 122160, 142520, 146496, 162880, 166443, 171024, 183120, 195456, 209280, 213780, 221924, 228032, 244160, 244320, 277405, 285040, 292992, 325760, 332886, 342048, 366240, 388367, 427560, 443848, 456064, 488320, 488640, 554810, 570080, 665772, 684096, 732480, 776734, 832215, 855120, 887696, 977280, 1109620, 1140160, 1165101, 1331544, 1368192, 1464960, 1553468, 1664430, 1710240, 1775392, 1941835, 2219240, 2280320, 2330202, 2663088, 3106936, 3328860, 3420480, 3550784, 3883670, 4438480, 4660404, 5326176, 5825505, 6213872, 6657720, 6840960, 7101568, 7767340, 8876960, 9320808, 10652352, 11651010, 12427744, 13315440, 15534680, 17753920, 18641616, 21304704, 23302020, 24855488, 26630880, 31069360, 35507840, 37283232, 46604040, 49710976, 53261760, 62138720, 74566464, 93208080, 106523520, 124277440, 149132928, 186416160, 248554880, 372832320, 745664640]

約数ペア:

[(1, 745664640), (2, 372832320), (3, 248554880), (4, 186416160), (5, 149132928), (6, 124277440), (7, 106523520), (8, 93208080), (10, 74566464), (12, 62138720), (14, 53261760), (15, 49710976), (16, 46604040), (20, 37283232), (21, 35507840), (24, 31069360), (28, 26630880), (30, 24855488), (32, 23302020), (35, 21304704), (40, 18641616), (42, 17753920), (48, 15534680), (56, 13315440), (60, 12427744), (64, 11651010), (70, 10652352), (80, 9320808), (84, 8876960), (96, 7767340), (105, 7101568), (109, 6840960), (112, 6657720), (120, 6213872), (128, 5825505), (140, 5326176), (160, 4660404), (168, 4438480), (192, 3883670), (210, 3550784), (218, 3420480), (224, 3328860), (240, 3106936), (280, 2663088), (320, 2330202), (327, 2280320), (336, 2219240), (384, 1941835), (420, 1775392), (436, 1710240), (448, 1664430), (480, 1553468), (509, 1464960), (545, 1368192), (560, 1331544), (640, 1165101), (654, 1140160), (672, 1109620), (763, 977280), (840, 887696), (872, 855120), (896, 832215), (960, 776734), (1018, 732480), (1090, 684096), (1120, 665772), (1308, 570080), (1344, 554810), (1526, 488640), (1527, 488320), (1635, 456064), (1680, 443848), (1744, 427560), (1920, 388367), (2036, 366240), (2180, 342048), (2240, 332886), (2289, 325760), (2545, 292992), (2616, 285040), (2688, 277405), (3052, 244320), (3054, 244160), (3270, 228032), (3360, 221924), (3488, 213780), (3563, 209280), (3815, 195456), (4072, 183120), (4360, 171024), (4480, 166443), (4578, 162880), (5090, 146496), (5232, 142520), (6104, 122160), (6108, 122080), (6540, 114016), (6720, 110962), (6976, 106890), (7126, 104640), (7630, 97728), (7635, 97664), (8144, 91560), (8720, 85512), (9156, 81440), (10180, 73248), (10464, 71260), (10689, 69760), (11445, 65152), (12208, 61080), (12216, 61040), (13080, 57008), (13440, 55481), (13952, 53445), (14252, 52320), (15260, 48864), (15270, 48832), (16288, 45780), (17440, 42756), (17815, 41856), (18312, 40720), (20360, 36624), (20928, 35630), (21378, 34880), (22890, 32576), (24416, 30540), (24432, 30520), (26160, 28504)]