2737280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:86

約数の個数: 128

約数和(自身を含む): 8225280

約数和(自身を除く): 5488000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 47, 52, 56, 64, 65, 70, 80, 91, 94, 104, 112, 128, 130, 140, 160, 182, 188, 208, 224, 235, 260, 280, 320, 329, 364, 376, 416, 448, 455, 470, 520, 560, 611, 640, 658, 728, 752, 832, 896, 910, 940, 1040, 1120, 1222, 1316, 1456, 1504, 1645, 1664, 1820, 1880, 2080, 2240, 2444, 2632, 2912, 3008, 3055, 3290, 3640, 3760, 4160, 4277, 4480, 4888, 5264, 5824, 6016, 6110, 6580, 7280, 7520, 8320, 8554, 9776, 10528, 11648, 12220, 13160, 14560, 15040, 17108, 19552, 21056, 21385, 24440, 26320, 29120, 30080, 34216, 39104, 42112, 42770, 48880, 52640, 58240, 68432, 78208, 85540, 97760, 105280, 136864, 171080, 195520, 210560, 273728, 342160, 391040, 547456, 684320, 1368640, 2737280]

約数ペア:

[(1, 2737280), (2, 1368640), (4, 684320), (5, 547456), (7, 391040), (8, 342160), (10, 273728), (13, 210560), (14, 195520), (16, 171080), (20, 136864), (26, 105280), (28, 97760), (32, 85540), (35, 78208), (40, 68432), (47, 58240), (52, 52640), (56, 48880), (64, 42770), (65, 42112), (70, 39104), (80, 34216), (91, 30080), (94, 29120), (104, 26320), (112, 24440), (128, 21385), (130, 21056), (140, 19552), (160, 17108), (182, 15040), (188, 14560), (208, 13160), (224, 12220), (235, 11648), (260, 10528), (280, 9776), (320, 8554), (329, 8320), (364, 7520), (376, 7280), (416, 6580), (448, 6110), (455, 6016), (470, 5824), (520, 5264), (560, 4888), (611, 4480), (640, 4277), (658, 4160), (728, 3760), (752, 3640), (832, 3290), (896, 3055), (910, 3008), (940, 2912), (1040, 2632), (1120, 2444), (1222, 2240), (1316, 2080), (1456, 1880), (1504, 1820), (1645, 1664)]