1990575360

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2579}}^1$

素因数の和:2673

約数の個数: 216

約数和(自身を含む): 6992687520

約数和(自身を除く): 5002112160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 67, 72, 80, 90, 96, 120, 128, 134, 144, 160, 180, 192, 201, 240, 256, 268, 288, 320, 335, 360, 384, 402, 480, 536, 576, 603, 640, 670, 720, 768, 804, 960, 1005, 1072, 1152, 1206, 1280, 1340, 1440, 1608, 1920, 2010, 2144, 2304, 2412, 2579, 2680, 2880, 3015, 3216, 3840, 4020, 4288, 4824, 5158, 5360, 5760, 6030, 6432, 7737, 8040, 8576, 9648, 10316, 10720, 11520, 12060, 12864, 12895, 15474, 16080, 17152, 19296, 20632, 21440, 23211, 24120, 25728, 25790, 30948, 32160, 38592, 38685, 41264, 42880, 46422, 48240, 51456, 51580, 61896, 64320, 77184, 77370, 82528, 85760, 92844, 96480, 103160, 116055, 123792, 128640, 154368, 154740, 165056, 172793, 185688, 192960, 206320, 232110, 247584, 257280, 309480, 330112, 345586, 371376, 385920, 412640, 464220, 495168, 518379, 618960, 660224, 691172, 742752, 771840, 825280, 863965, 928440, 990336, 1036758, 1237920, 1382344, 1485504, 1555137, 1650560, 1727930, 1856880, 1980672, 2073516, 2475840, 2591895, 2764688, 2971008, 3110274, 3301120, 3455860, 3713760, 4147032, 4951680, 5183790, 5529376, 5942016, 6220548, 6911720, 7427520, 7775685, 8294064, 9903360, 10367580, 11058752, 12441096, 13823440, 14855040, 15551370, 16588128, 20735160, 22117504, 24882192, 27646880, 29710080, 31102740, 33176256, 41470320, 44235008, 49764384, 55293760, 62205480, 66352512, 82940640, 99528768, 110587520, 124410960, 132705024, 165881280, 199057536, 221175040, 248821920, 331762560, 398115072, 497643840, 663525120, 995287680, 1990575360]

約数ペア:

[(1, 1990575360), (2, 995287680), (3, 663525120), (4, 497643840), (5, 398115072), (6, 331762560), (8, 248821920), (9, 221175040), (10, 199057536), (12, 165881280), (15, 132705024), (16, 124410960), (18, 110587520), (20, 99528768), (24, 82940640), (30, 66352512), (32, 62205480), (36, 55293760), (40, 49764384), (45, 44235008), (48, 41470320), (60, 33176256), (64, 31102740), (67, 29710080), (72, 27646880), (80, 24882192), (90, 22117504), (96, 20735160), (120, 16588128), (128, 15551370), (134, 14855040), (144, 13823440), (160, 12441096), (180, 11058752), (192, 10367580), (201, 9903360), (240, 8294064), (256, 7775685), (268, 7427520), (288, 6911720), (320, 6220548), (335, 5942016), (360, 5529376), (384, 5183790), (402, 4951680), (480, 4147032), (536, 3713760), (576, 3455860), (603, 3301120), (640, 3110274), (670, 2971008), (720, 2764688), (768, 2591895), (804, 2475840), (960, 2073516), (1005, 1980672), (1072, 1856880), (1152, 1727930), (1206, 1650560), (1280, 1555137), (1340, 1485504), (1440, 1382344), (1608, 1237920), (1920, 1036758), (2010, 990336), (2144, 928440), (2304, 863965), (2412, 825280), (2579, 771840), (2680, 742752), (2880, 691172), (3015, 660224), (3216, 618960), (3840, 518379), (4020, 495168), (4288, 464220), (4824, 412640), (5158, 385920), (5360, 371376), (5760, 345586), (6030, 330112), (6432, 309480), (7737, 257280), (8040, 247584), (8576, 232110), (9648, 206320), (10316, 192960), (10720, 185688), (11520, 172793), (12060, 165056), (12864, 154740), (12895, 154368), (15474, 128640), (16080, 123792), (17152, 116055), (19296, 103160), (20632, 96480), (21440, 92844), (23211, 85760), (24120, 82528), (25728, 77370), (25790, 77184), (30948, 64320), (32160, 61896), (38592, 51580), (38685, 51456), (41264, 48240), (42880, 46422)]