81016560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6619}}^1$

素因数の和:6655

約数の個数: 120

約数和(自身を含む): 288128880

約数和(自身を除く): 207112320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 6619, 12240, 13238, 19857, 26476, 33095, 39714, 52952, 59571, 66190, 79428, 99285, 105904, 112523, 119142, 132380, 158856, 198570, 225046, 238284, 264760, 297855, 317712, 337569, 397140, 450092, 476568, 529520, 562615, 595710, 675138, 794280, 900184, 953136, 1012707, 1125230, 1191420, 1350276, 1588560, 1687845, 1800368, 2025414, 2250460, 2382840, 2700552, 3375690, 4050828, 4500920, 4765680, 5063535, 5401104, 6751380, 8101656, 9001840, 10127070, 13502760, 16203312, 20254140, 27005520, 40508280, 81016560]

約数ペア:

[(1, 81016560), (2, 40508280), (3, 27005520), (4, 20254140), (5, 16203312), (6, 13502760), (8, 10127070), (9, 9001840), (10, 8101656), (12, 6751380), (15, 5401104), (16, 5063535), (17, 4765680), (18, 4500920), (20, 4050828), (24, 3375690), (30, 2700552), (34, 2382840), (36, 2250460), (40, 2025414), (45, 1800368), (48, 1687845), (51, 1588560), (60, 1350276), (68, 1191420), (72, 1125230), (80, 1012707), (85, 953136), (90, 900184), (102, 794280), (120, 675138), (136, 595710), (144, 562615), (153, 529520), (170, 476568), (180, 450092), (204, 397140), (240, 337569), (255, 317712), (272, 297855), (306, 264760), (340, 238284), (360, 225046), (408, 198570), (510, 158856), (612, 132380), (680, 119142), (720, 112523), (765, 105904), (816, 99285), (1020, 79428), (1224, 66190), (1360, 59571), (1530, 52952), (2040, 39714), (2448, 33095), (3060, 26476), (4080, 19857), (6120, 13238), (6619, 12240)]