321178680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1987}}^1$

素因数の和:2453

約数の個数: 96

約数和(自身を含む): 1046682000

約数和(自身を除く): 725503320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 449, 898, 1347, 1796, 1987, 2245, 2694, 3592, 3974, 4041, 4490, 5388, 5961, 6735, 7948, 8082, 8980, 9935, 10776, 11922, 13470, 15896, 16164, 17883, 17960, 19870, 20205, 23844, 26940, 29805, 32328, 35766, 39740, 40410, 47688, 53880, 59610, 71532, 79480, 80820, 89415, 119220, 143064, 161640, 178830, 238440, 357660, 715320, 892163, 1784326, 2676489, 3568652, 4460815, 5352978, 7137304, 8029467, 8921630, 10705956, 13382445, 16058934, 17843260, 21411912, 26764890, 32117868, 35686520, 40147335, 53529780, 64235736, 80294670, 107059560, 160589340, 321178680]

約数ペア:

[(1, 321178680), (2, 160589340), (3, 107059560), (4, 80294670), (5, 64235736), (6, 53529780), (8, 40147335), (9, 35686520), (10, 32117868), (12, 26764890), (15, 21411912), (18, 17843260), (20, 16058934), (24, 13382445), (30, 10705956), (36, 8921630), (40, 8029467), (45, 7137304), (60, 5352978), (72, 4460815), (90, 3568652), (120, 2676489), (180, 1784326), (360, 892163), (449, 715320), (898, 357660), (1347, 238440), (1796, 178830), (1987, 161640), (2245, 143064), (2694, 119220), (3592, 89415), (3974, 80820), (4041, 79480), (4490, 71532), (5388, 59610), (5961, 53880), (6735, 47688), (7948, 40410), (8082, 39740), (8980, 35766), (9935, 32328), (10776, 29805), (11922, 26940), (13470, 23844), (15896, 20205), (16164, 19870), (17883, 17960)]