655201920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:483

約数の個数: 256

約数和(自身を含む): 2243738880

約数和(自身を除く): 1588536960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 37, 40, 46, 48, 60, 64, 69, 74, 80, 92, 96, 111, 115, 120, 128, 138, 148, 160, 184, 185, 192, 222, 230, 240, 276, 296, 320, 345, 368, 370, 384, 401, 444, 460, 480, 552, 555, 592, 640, 690, 736, 740, 802, 851, 888, 920, 960, 1104, 1110, 1184, 1203, 1380, 1472, 1480, 1604, 1702, 1776, 1840, 1920, 2005, 2208, 2220, 2368, 2406, 2553, 2760, 2944, 2960, 3208, 3404, 3552, 3680, 4010, 4255, 4416, 4440, 4736, 4812, 5106, 5520, 5920, 6015, 6416, 6808, 7104, 7360, 8020, 8510, 8832, 8880, 9223, 9624, 10212, 11040, 11840, 12030, 12765, 12832, 13616, 14208, 14720, 14837, 16040, 17020, 17760, 18446, 19248, 20424, 22080, 23680, 24060, 25530, 25664, 27232, 27669, 29674, 32080, 34040, 35520, 36892, 38496, 40848, 44160, 44511, 46115, 48120, 51060, 51328, 54464, 55338, 59348, 64160, 68080, 71040, 73784, 74185, 76992, 81696, 89022, 92230, 96240, 102120, 108928, 110676, 118696, 128320, 136160, 138345, 147568, 148370, 153984, 163392, 178044, 184460, 192480, 204240, 221352, 222555, 237392, 256640, 272320, 276690, 295136, 296740, 326784, 341251, 356088, 368920, 384960, 408480, 442704, 445110, 474784, 544640, 553380, 590272, 593480, 682502, 712176, 737840, 769920, 816960, 885408, 890220, 949568, 1023753, 1106760, 1180544, 1186960, 1365004, 1424352, 1475680, 1633920, 1706255, 1770816, 1780440, 1899136, 2047506, 2213520, 2373920, 2730008, 2848704, 2951360, 3412510, 3541632, 3560880, 4095012, 4427040, 4747840, 5118765, 5460016, 5697408, 5902720, 6825020, 7121760, 8190024, 8854080, 9495680, 10237530, 10920032, 13650040, 14243520, 16380048, 17708160, 20475060, 21840064, 27300080, 28487040, 32760096, 40950120, 43680128, 54600160, 65520192, 81900240, 109200320, 131040384, 163800480, 218400640, 327600960, 655201920]

約数ペア:

[(1, 655201920), (2, 327600960), (3, 218400640), (4, 163800480), (5, 131040384), (6, 109200320), (8, 81900240), (10, 65520192), (12, 54600160), (15, 43680128), (16, 40950120), (20, 32760096), (23, 28487040), (24, 27300080), (30, 21840064), (32, 20475060), (37, 17708160), (40, 16380048), (46, 14243520), (48, 13650040), (60, 10920032), (64, 10237530), (69, 9495680), (74, 8854080), (80, 8190024), (92, 7121760), (96, 6825020), (111, 5902720), (115, 5697408), (120, 5460016), (128, 5118765), (138, 4747840), (148, 4427040), (160, 4095012), (184, 3560880), (185, 3541632), (192, 3412510), (222, 2951360), (230, 2848704), (240, 2730008), (276, 2373920), (296, 2213520), (320, 2047506), (345, 1899136), (368, 1780440), (370, 1770816), (384, 1706255), (401, 1633920), (444, 1475680), (460, 1424352), (480, 1365004), (552, 1186960), (555, 1180544), (592, 1106760), (640, 1023753), (690, 949568), (736, 890220), (740, 885408), (802, 816960), (851, 769920), (888, 737840), (920, 712176), (960, 682502), (1104, 593480), (1110, 590272), (1184, 553380), (1203, 544640), (1380, 474784), (1472, 445110), (1480, 442704), (1604, 408480), (1702, 384960), (1776, 368920), (1840, 356088), (1920, 341251), (2005, 326784), (2208, 296740), (2220, 295136), (2368, 276690), (2406, 272320), (2553, 256640), (2760, 237392), (2944, 222555), (2960, 221352), (3208, 204240), (3404, 192480), (3552, 184460), (3680, 178044), (4010, 163392), (4255, 153984), (4416, 148370), (4440, 147568), (4736, 138345), (4812, 136160), (5106, 128320), (5520, 118696), (5920, 110676), (6015, 108928), (6416, 102120), (6808, 96240), (7104, 92230), (7360, 89022), (8020, 81696), (8510, 76992), (8832, 74185), (8880, 73784), (9223, 71040), (9624, 68080), (10212, 64160), (11040, 59348), (11840, 55338), (12030, 54464), (12765, 51328), (12832, 51060), (13616, 48120), (14208, 46115), (14720, 44511), (14837, 44160), (16040, 40848), (17020, 38496), (17760, 36892), (18446, 35520), (19248, 34040), (20424, 32080), (22080, 29674), (23680, 27669), (24060, 27232), (25530, 25664)]