80961840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4889}}^1$

素因数の和:4931

約数の個数: 120

約数和(自身を含む): 283776480

約数和(自身を除く): 202814640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 4889, 5520, 8280, 9778, 14667, 16560, 19556, 24445, 29334, 39112, 44001, 48890, 58668, 73335, 78224, 88002, 97780, 112447, 117336, 146670, 176004, 195560, 220005, 224894, 234672, 293340, 337341, 352008, 391120, 440010, 449788, 562235, 586680, 674682, 704016, 880020, 899576, 1012023, 1124470, 1173360, 1349364, 1686705, 1760040, 1799152, 2024046, 2248940, 2698728, 3373410, 3520080, 4048092, 4497880, 5060115, 5397456, 6746820, 8096184, 8995760, 10120230, 13493640, 16192368, 20240460, 26987280, 40480920, 80961840]

約数ペア:

[(1, 80961840), (2, 40480920), (3, 26987280), (4, 20240460), (5, 16192368), (6, 13493640), (8, 10120230), (9, 8995760), (10, 8096184), (12, 6746820), (15, 5397456), (16, 5060115), (18, 4497880), (20, 4048092), (23, 3520080), (24, 3373410), (30, 2698728), (36, 2248940), (40, 2024046), (45, 1799152), (46, 1760040), (48, 1686705), (60, 1349364), (69, 1173360), (72, 1124470), (80, 1012023), (90, 899576), (92, 880020), (115, 704016), (120, 674682), (138, 586680), (144, 562235), (180, 449788), (184, 440010), (207, 391120), (230, 352008), (240, 337341), (276, 293340), (345, 234672), (360, 224894), (368, 220005), (414, 195560), (460, 176004), (552, 146670), (690, 117336), (720, 112447), (828, 97780), (920, 88002), (1035, 78224), (1104, 73335), (1380, 58668), (1656, 48890), (1840, 44001), (2070, 39112), (2760, 29334), (3312, 24445), (4140, 19556), (4889, 16560), (5520, 14667), (8280, 9778)]