81815181120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{17021}}^1$

素因数の和:18713

約数の個数: 168

約数和(自身を含む): 281595286440

約数和(自身を除く): 199780105320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 1669, 2880, 3338, 5007, 6676, 8345, 10014, 13352, 15021, 16690, 17021, 20028, 25035, 26704, 30042, 33380, 34042, 40056, 50070, 51063, 53408, 60084, 66760, 68084, 75105, 80112, 85105, 100140, 102126, 106816, 120168, 133520, 136168, 150210, 153189, 160224, 170210, 200280, 204252, 240336, 255315, 267040, 272336, 300420, 306378, 320448, 340420, 400560, 408504, 480672, 510630, 534080, 544672, 600840, 612756, 680840, 765945, 801120, 817008, 961344, 1021260, 1089344, 1201680, 1225512, 1361680, 1531890, 1602240, 1634016, 2042520, 2403360, 2451024, 2723360, 3063780, 3268032, 4085040, 4806720, 4902048, 5446720, 6127560, 8170080, 9804096, 12255120, 16340160, 24510240, 28408049, 49020480, 56816098, 85224147, 113632196, 142040245, 170448294, 227264392, 255672441, 284080490, 340896588, 426120735, 454528784, 511344882, 568160980, 681793176, 852241470, 909057568, 1022689764, 1136321960, 1278362205, 1363586352, 1704482940, 1818115136, 2045379528, 2272643920, 2556724410, 2727172704, 3408965880, 4090759056, 4545287840, 5113448820, 5454345408, 6817931760, 8181518112, 9090575680, 10226897640, 13635863520, 16363036224, 20453795280, 27271727040, 40907590560, 81815181120]

約数ペア:

[(1, 81815181120), (2, 40907590560), (3, 27271727040), (4, 20453795280), (5, 16363036224), (6, 13635863520), (8, 10226897640), (9, 9090575680), (10, 8181518112), (12, 6817931760), (15, 5454345408), (16, 5113448820), (18, 4545287840), (20, 4090759056), (24, 3408965880), (30, 2727172704), (32, 2556724410), (36, 2272643920), (40, 2045379528), (45, 1818115136), (48, 1704482940), (60, 1363586352), (64, 1278362205), (72, 1136321960), (80, 1022689764), (90, 909057568), (96, 852241470), (120, 681793176), (144, 568160980), (160, 511344882), (180, 454528784), (192, 426120735), (240, 340896588), (288, 284080490), (320, 255672441), (360, 227264392), (480, 170448294), (576, 142040245), (720, 113632196), (960, 85224147), (1440, 56816098), (1669, 49020480), (2880, 28408049), (3338, 24510240), (5007, 16340160), (6676, 12255120), (8345, 9804096), (10014, 8170080), (13352, 6127560), (15021, 5446720), (16690, 4902048), (17021, 4806720), (20028, 4085040), (25035, 3268032), (26704, 3063780), (30042, 2723360), (33380, 2451024), (34042, 2403360), (40056, 2042520), (50070, 1634016), (51063, 1602240), (53408, 1531890), (60084, 1361680), (66760, 1225512), (68084, 1201680), (75105, 1089344), (80112, 1021260), (85105, 961344), (100140, 817008), (102126, 801120), (106816, 765945), (120168, 680840), (133520, 612756), (136168, 600840), (150210, 544672), (153189, 534080), (160224, 510630), (170210, 480672), (200280, 408504), (204252, 400560), (240336, 340420), (255315, 320448), (267040, 306378), (272336, 300420)]