649440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:73

約数の個数: 144

約数和(自身を含む): 2476656

約数和(自身を除く): 1827216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 41, 44, 45, 48, 55, 60, 66, 72, 80, 82, 88, 90, 96, 99, 110, 120, 123, 132, 144, 160, 164, 165, 176, 180, 198, 205, 220, 240, 246, 264, 288, 328, 330, 352, 360, 369, 396, 410, 440, 451, 480, 492, 495, 528, 615, 656, 660, 720, 738, 792, 820, 880, 902, 984, 990, 1056, 1230, 1312, 1320, 1353, 1440, 1476, 1584, 1640, 1760, 1804, 1845, 1968, 1980, 2255, 2460, 2640, 2706, 2952, 3168, 3280, 3608, 3690, 3936, 3960, 4059, 4510, 4920, 5280, 5412, 5904, 6560, 6765, 7216, 7380, 7920, 8118, 9020, 9840, 10824, 11808, 13530, 14432, 14760, 15840, 16236, 18040, 19680, 20295, 21648, 27060, 29520, 32472, 36080, 40590, 43296, 54120, 59040, 64944, 72160, 81180, 108240, 129888, 162360, 216480, 324720, 649440]

約数ペア:

[(1, 649440), (2, 324720), (3, 216480), (4, 162360), (5, 129888), (6, 108240), (8, 81180), (9, 72160), (10, 64944), (11, 59040), (12, 54120), (15, 43296), (16, 40590), (18, 36080), (20, 32472), (22, 29520), (24, 27060), (30, 21648), (32, 20295), (33, 19680), (36, 18040), (40, 16236), (41, 15840), (44, 14760), (45, 14432), (48, 13530), (55, 11808), (60, 10824), (66, 9840), (72, 9020), (80, 8118), (82, 7920), (88, 7380), (90, 7216), (96, 6765), (99, 6560), (110, 5904), (120, 5412), (123, 5280), (132, 4920), (144, 4510), (160, 4059), (164, 3960), (165, 3936), (176, 3690), (180, 3608), (198, 3280), (205, 3168), (220, 2952), (240, 2706), (246, 2640), (264, 2460), (288, 2255), (328, 1980), (330, 1968), (352, 1845), (360, 1804), (369, 1760), (396, 1640), (410, 1584), (440, 1476), (451, 1440), (480, 1353), (492, 1320), (495, 1312), (528, 1230), (615, 1056), (656, 990), (660, 984), (720, 902), (738, 880), (792, 820)]