30420720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 116992512

約数和(自身を除く): 86571792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 48, 55, 60, 66, 69, 72, 80, 88, 90, 92, 99, 110, 115, 120, 132, 138, 144, 165, 167, 176, 180, 184, 198, 207, 220, 230, 240, 253, 264, 276, 330, 334, 345, 360, 368, 396, 414, 440, 460, 495, 501, 506, 528, 552, 660, 668, 690, 720, 759, 792, 828, 835, 880, 920, 990, 1002, 1012, 1035, 1104, 1265, 1320, 1336, 1380, 1503, 1518, 1584, 1656, 1670, 1837, 1840, 1980, 2004, 2024, 2070, 2277, 2505, 2530, 2640, 2672, 2760, 3006, 3036, 3312, 3340, 3674, 3795, 3841, 3960, 4008, 4048, 4140, 4554, 5010, 5060, 5511, 5520, 6012, 6072, 6680, 7348, 7515, 7590, 7682, 7920, 8016, 8280, 9108, 9185, 10020, 10120, 11022, 11385, 11523, 12024, 12144, 13360, 14696, 15030, 15180, 15364, 16533, 16560, 18216, 18370, 19205, 20040, 20240, 22044, 22770, 23046, 24048, 27555, 29392, 30060, 30360, 30728, 33066, 34569, 36432, 36740, 38410, 40080, 42251, 44088, 45540, 46092, 55110, 57615, 60120, 60720, 61456, 66132, 69138, 73480, 76820, 82665, 84502, 88176, 91080, 92184, 110220, 115230, 120240, 126753, 132264, 138276, 146960, 153640, 165330, 169004, 172845, 182160, 184368, 211255, 220440, 230460, 253506, 264528, 276552, 307280, 330660, 338008, 345690, 380259, 422510, 440880, 460920, 507012, 553104, 633765, 661320, 676016, 691380, 760518, 845020, 921840, 1014024, 1267530, 1322640, 1382760, 1521036, 1690040, 1901295, 2028048, 2535060, 2765520, 3042072, 3380080, 3802590, 5070120, 6084144, 7605180, 10140240, 15210360, 30420720]

約数ペア:

[(1, 30420720), (2, 15210360), (3, 10140240), (4, 7605180), (5, 6084144), (6, 5070120), (8, 3802590), (9, 3380080), (10, 3042072), (11, 2765520), (12, 2535060), (15, 2028048), (16, 1901295), (18, 1690040), (20, 1521036), (22, 1382760), (23, 1322640), (24, 1267530), (30, 1014024), (33, 921840), (36, 845020), (40, 760518), (44, 691380), (45, 676016), (46, 661320), (48, 633765), (55, 553104), (60, 507012), (66, 460920), (69, 440880), (72, 422510), (80, 380259), (88, 345690), (90, 338008), (92, 330660), (99, 307280), (110, 276552), (115, 264528), (120, 253506), (132, 230460), (138, 220440), (144, 211255), (165, 184368), (167, 182160), (176, 172845), (180, 169004), (184, 165330), (198, 153640), (207, 146960), (220, 138276), (230, 132264), (240, 126753), (253, 120240), (264, 115230), (276, 110220), (330, 92184), (334, 91080), (345, 88176), (360, 84502), (368, 82665), (396, 76820), (414, 73480), (440, 69138), (460, 66132), (495, 61456), (501, 60720), (506, 60120), (528, 57615), (552, 55110), (660, 46092), (668, 45540), (690, 44088), (720, 42251), (759, 40080), (792, 38410), (828, 36740), (835, 36432), (880, 34569), (920, 33066), (990, 30728), (1002, 30360), (1012, 30060), (1035, 29392), (1104, 27555), (1265, 24048), (1320, 23046), (1336, 22770), (1380, 22044), (1503, 20240), (1518, 20040), (1584, 19205), (1656, 18370), (1670, 18216), (1837, 16560), (1840, 16533), (1980, 15364), (2004, 15180), (2024, 15030), (2070, 14696), (2277, 13360), (2505, 12144), (2530, 12024), (2640, 11523), (2672, 11385), (2760, 11022), (3006, 10120), (3036, 10020), (3312, 9185), (3340, 9108), (3674, 8280), (3795, 8016), (3841, 7920), (3960, 7682), (4008, 7590), (4048, 7515), (4140, 7348), (4554, 6680), (5010, 6072), (5060, 6012), (5511, 5520)]