81027480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:481

約数の個数: 128

約数和(自身を含む): 255467520

約数和(自身を除く): 174440040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 43, 60, 82, 86, 120, 123, 129, 164, 172, 205, 215, 246, 258, 328, 344, 383, 410, 430, 492, 516, 615, 645, 766, 820, 860, 984, 1032, 1149, 1230, 1290, 1532, 1640, 1720, 1763, 1915, 2298, 2460, 2580, 3064, 3526, 3830, 4596, 4920, 5160, 5289, 5745, 7052, 7660, 8815, 9192, 10578, 11490, 14104, 15320, 15703, 16469, 17630, 21156, 22980, 26445, 31406, 32938, 35260, 42312, 45960, 47109, 49407, 52890, 62812, 65876, 70520, 78515, 82345, 94218, 98814, 105780, 125624, 131752, 157030, 164690, 188436, 197628, 211560, 235545, 247035, 314060, 329380, 376872, 395256, 471090, 494070, 628120, 658760, 675229, 942180, 988140, 1350458, 1884360, 1976280, 2025687, 2700916, 3376145, 4051374, 5401832, 6752290, 8102748, 10128435, 13504580, 16205496, 20256870, 27009160, 40513740, 81027480]

約数ペア:

[(1, 81027480), (2, 40513740), (3, 27009160), (4, 20256870), (5, 16205496), (6, 13504580), (8, 10128435), (10, 8102748), (12, 6752290), (15, 5401832), (20, 4051374), (24, 3376145), (30, 2700916), (40, 2025687), (41, 1976280), (43, 1884360), (60, 1350458), (82, 988140), (86, 942180), (120, 675229), (123, 658760), (129, 628120), (164, 494070), (172, 471090), (205, 395256), (215, 376872), (246, 329380), (258, 314060), (328, 247035), (344, 235545), (383, 211560), (410, 197628), (430, 188436), (492, 164690), (516, 157030), (615, 131752), (645, 125624), (766, 105780), (820, 98814), (860, 94218), (984, 82345), (1032, 78515), (1149, 70520), (1230, 65876), (1290, 62812), (1532, 52890), (1640, 49407), (1720, 47109), (1763, 45960), (1915, 42312), (2298, 35260), (2460, 32938), (2580, 31406), (3064, 26445), (3526, 22980), (3830, 21156), (4596, 17630), (4920, 16469), (5160, 15703), (5289, 15320), (5745, 14104), (7052, 11490), (7660, 10578), (8815, 9192)]