30380240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 85708800

約数和(自身を除く): 55328560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 79, 80, 88, 92, 95, 110, 115, 152, 158, 176, 184, 190, 209, 220, 230, 253, 304, 316, 368, 380, 395, 418, 437, 440, 460, 506, 632, 760, 790, 836, 869, 874, 880, 920, 1012, 1045, 1264, 1265, 1501, 1520, 1580, 1672, 1738, 1748, 1817, 1840, 2024, 2090, 2185, 2530, 3002, 3160, 3344, 3476, 3496, 3634, 4048, 4180, 4345, 4370, 4807, 5060, 6004, 6320, 6952, 6992, 7268, 7505, 8360, 8690, 8740, 9085, 9614, 10120, 12008, 13904, 14536, 15010, 16511, 16720, 17380, 17480, 18170, 19228, 19987, 20240, 24016, 24035, 29072, 30020, 33022, 34523, 34760, 34960, 36340, 38456, 39974, 48070, 60040, 66044, 69046, 69520, 72680, 76912, 79948, 82555, 96140, 99935, 120080, 132088, 138092, 145360, 159896, 165110, 172615, 192280, 199870, 264176, 276184, 319792, 330220, 345230, 379753, 384560, 399740, 552368, 660440, 690460, 759506, 799480, 1320880, 1380920, 1519012, 1598960, 1898765, 2761840, 3038024, 3797530, 6076048, 7595060, 15190120, 30380240]

約数ペア:

[(1, 30380240), (2, 15190120), (4, 7595060), (5, 6076048), (8, 3797530), (10, 3038024), (11, 2761840), (16, 1898765), (19, 1598960), (20, 1519012), (22, 1380920), (23, 1320880), (38, 799480), (40, 759506), (44, 690460), (46, 660440), (55, 552368), (76, 399740), (79, 384560), (80, 379753), (88, 345230), (92, 330220), (95, 319792), (110, 276184), (115, 264176), (152, 199870), (158, 192280), (176, 172615), (184, 165110), (190, 159896), (209, 145360), (220, 138092), (230, 132088), (253, 120080), (304, 99935), (316, 96140), (368, 82555), (380, 79948), (395, 76912), (418, 72680), (437, 69520), (440, 69046), (460, 66044), (506, 60040), (632, 48070), (760, 39974), (790, 38456), (836, 36340), (869, 34960), (874, 34760), (880, 34523), (920, 33022), (1012, 30020), (1045, 29072), (1264, 24035), (1265, 24016), (1501, 20240), (1520, 19987), (1580, 19228), (1672, 18170), (1738, 17480), (1748, 17380), (1817, 16720), (1840, 16511), (2024, 15010), (2090, 14536), (2185, 13904), (2530, 12008), (3002, 10120), (3160, 9614), (3344, 9085), (3476, 8740), (3496, 8690), (3634, 8360), (4048, 7505), (4180, 7268), (4345, 6992), (4370, 6952), (4807, 6320), (5060, 6004)]