81315216

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:653

約数の個数: 120

約数和(自身を含む): 245475360

約数和(自身を除く): 164160144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 59, 68, 72, 102, 118, 136, 144, 153, 177, 204, 236, 272, 306, 354, 408, 472, 531, 563, 612, 708, 816, 944, 1003, 1062, 1126, 1224, 1416, 1689, 2006, 2124, 2252, 2448, 2832, 3009, 3378, 4012, 4248, 4504, 5067, 6018, 6756, 8024, 8496, 9008, 9027, 9571, 10134, 12036, 13512, 16048, 18054, 19142, 20268, 24072, 27024, 28713, 33217, 36108, 38284, 40536, 48144, 57426, 66434, 72216, 76568, 81072, 86139, 99651, 114852, 132868, 144432, 153136, 172278, 199302, 229704, 265736, 298953, 344556, 398604, 459408, 531472, 564689, 597906, 689112, 797208, 1129378, 1195812, 1378224, 1594416, 1694067, 2258756, 2391624, 3388134, 4517512, 4783248, 5082201, 6776268, 9035024, 10164402, 13552536, 20328804, 27105072, 40657608, 81315216]

約数ペア:

[(1, 81315216), (2, 40657608), (3, 27105072), (4, 20328804), (6, 13552536), (8, 10164402), (9, 9035024), (12, 6776268), (16, 5082201), (17, 4783248), (18, 4517512), (24, 3388134), (34, 2391624), (36, 2258756), (48, 1694067), (51, 1594416), (59, 1378224), (68, 1195812), (72, 1129378), (102, 797208), (118, 689112), (136, 597906), (144, 564689), (153, 531472), (177, 459408), (204, 398604), (236, 344556), (272, 298953), (306, 265736), (354, 229704), (408, 199302), (472, 172278), (531, 153136), (563, 144432), (612, 132868), (708, 114852), (816, 99651), (944, 86139), (1003, 81072), (1062, 76568), (1126, 72216), (1224, 66434), (1416, 57426), (1689, 48144), (2006, 40536), (2124, 38284), (2252, 36108), (2448, 33217), (2832, 28713), (3009, 27024), (3378, 24072), (4012, 20268), (4248, 19142), (4504, 18054), (5067, 16048), (6018, 13512), (6756, 12036), (8024, 10134), (8496, 9571), (9008, 9027)]