105840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2$

素因数の和:36

約数の個数: 120

約数和(自身を含む): 424080

約数和(自身を除く): 318240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 5040, 5292, 5880, 6615, 7056, 7560, 8820, 10584, 11760, 13230, 15120, 17640, 21168, 26460, 35280, 52920, 105840]

約数ペア:

[(1, 105840), (2, 52920), (3, 35280), (4, 26460), (5, 21168), (6, 17640), (7, 15120), (8, 13230), (9, 11760), (10, 10584), (12, 8820), (14, 7560), (15, 7056), (16, 6615), (18, 5880), (20, 5292), (21, 5040), (24, 4410), (27, 3920), (28, 3780), (30, 3528), (35, 3024), (36, 2940), (40, 2646), (42, 2520), (45, 2352), (48, 2205), (49, 2160), (54, 1960), (56, 1890), (60, 1764), (63, 1680), (70, 1512), (72, 1470), (80, 1323), (84, 1260), (90, 1176), (98, 1080), (105, 1008), (108, 980), (112, 945), (120, 882), (126, 840), (135, 784), (140, 756), (144, 735), (147, 720), (168, 630), (180, 588), (189, 560), (196, 540), (210, 504), (216, 490), (240, 441), (245, 432), (252, 420), (270, 392), (280, 378), (294, 360), (315, 336)]