81294400

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 168

約数和(自身を含む): 226771200

約数和(自身を除く): 145476800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 64, 80, 88, 100, 110, 124, 149, 155, 160, 176, 200, 220, 248, 275, 298, 310, 320, 341, 352, 400, 440, 496, 550, 596, 620, 682, 704, 745, 775, 800, 880, 992, 1100, 1192, 1240, 1364, 1490, 1550, 1600, 1639, 1705, 1760, 1984, 2200, 2384, 2480, 2728, 2980, 3100, 3278, 3410, 3520, 3725, 4400, 4619, 4768, 4960, 5456, 5960, 6200, 6556, 6820, 7450, 8195, 8525, 8800, 9238, 9536, 9920, 10912, 11920, 12400, 13112, 13640, 14900, 16390, 17050, 17600, 18476, 21824, 23095, 23840, 24800, 26224, 27280, 29800, 32780, 34100, 36952, 40975, 46190, 47680, 49600, 50809, 52448, 54560, 59600, 65560, 68200, 73904, 81950, 92380, 101618, 104896, 109120, 115475, 119200, 131120, 136400, 147808, 163900, 184760, 203236, 230950, 238400, 254045, 262240, 272800, 295616, 327800, 369520, 406472, 461900, 508090, 524480, 545600, 655600, 739040, 812944, 923800, 1016180, 1270225, 1311200, 1478080, 1625888, 1847600, 2032360, 2540450, 2622400, 3251776, 3695200, 4064720, 5080900, 7390400, 8129440, 10161800, 16258880, 20323600, 40647200, 81294400]

約数ペア:

[(1, 81294400), (2, 40647200), (4, 20323600), (5, 16258880), (8, 10161800), (10, 8129440), (11, 7390400), (16, 5080900), (20, 4064720), (22, 3695200), (25, 3251776), (31, 2622400), (32, 2540450), (40, 2032360), (44, 1847600), (50, 1625888), (55, 1478080), (62, 1311200), (64, 1270225), (80, 1016180), (88, 923800), (100, 812944), (110, 739040), (124, 655600), (149, 545600), (155, 524480), (160, 508090), (176, 461900), (200, 406472), (220, 369520), (248, 327800), (275, 295616), (298, 272800), (310, 262240), (320, 254045), (341, 238400), (352, 230950), (400, 203236), (440, 184760), (496, 163900), (550, 147808), (596, 136400), (620, 131120), (682, 119200), (704, 115475), (745, 109120), (775, 104896), (800, 101618), (880, 92380), (992, 81950), (1100, 73904), (1192, 68200), (1240, 65560), (1364, 59600), (1490, 54560), (1550, 52448), (1600, 50809), (1639, 49600), (1705, 47680), (1760, 46190), (1984, 40975), (2200, 36952), (2384, 34100), (2480, 32780), (2728, 29800), (2980, 27280), (3100, 26224), (3278, 24800), (3410, 23840), (3520, 23095), (3725, 21824), (4400, 18476), (4619, 17600), (4768, 17050), (4960, 16390), (5456, 14900), (5960, 13640), (6200, 13112), (6556, 12400), (6820, 11920), (7450, 10912), (8195, 9920), (8525, 9536), (8800, 9238)]