842571520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 2321722368

約数和(自身を除く): 1479150848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 271, 280, 320, 347, 448, 542, 560, 640, 694, 896, 1084, 1120, 1280, 1355, 1388, 1735, 1792, 1897, 2168, 2240, 2429, 2710, 2776, 3470, 3794, 4336, 4480, 4858, 5420, 5552, 6940, 7588, 8672, 8960, 9485, 9716, 10840, 11104, 12145, 13880, 15176, 17344, 18970, 19432, 21680, 22208, 24290, 27760, 30352, 34688, 37940, 38864, 43360, 44416, 48580, 55520, 60704, 69376, 75880, 77728, 86720, 88832, 94037, 97160, 111040, 121408, 151760, 155456, 173440, 188074, 194320, 222080, 242816, 303520, 310912, 346880, 376148, 388640, 444160, 470185, 485632, 607040, 621824, 658259, 752296, 777280, 940370, 1214080, 1316518, 1504592, 1554560, 1880740, 2428160, 2633036, 3009184, 3109120, 3291295, 3761480, 5266072, 6018368, 6582590, 7522960, 10532144, 12036736, 13165180, 15045920, 21064288, 24073472, 26330360, 30091840, 42128576, 52660720, 60183680, 84257152, 105321440, 120367360, 168514304, 210642880, 421285760, 842571520]

約数ペア:

[(1, 842571520), (2, 421285760), (4, 210642880), (5, 168514304), (7, 120367360), (8, 105321440), (10, 84257152), (14, 60183680), (16, 52660720), (20, 42128576), (28, 30091840), (32, 26330360), (35, 24073472), (40, 21064288), (56, 15045920), (64, 13165180), (70, 12036736), (80, 10532144), (112, 7522960), (128, 6582590), (140, 6018368), (160, 5266072), (224, 3761480), (256, 3291295), (271, 3109120), (280, 3009184), (320, 2633036), (347, 2428160), (448, 1880740), (542, 1554560), (560, 1504592), (640, 1316518), (694, 1214080), (896, 940370), (1084, 777280), (1120, 752296), (1280, 658259), (1355, 621824), (1388, 607040), (1735, 485632), (1792, 470185), (1897, 444160), (2168, 388640), (2240, 376148), (2429, 346880), (2710, 310912), (2776, 303520), (3470, 242816), (3794, 222080), (4336, 194320), (4480, 188074), (4858, 173440), (5420, 155456), (5552, 151760), (6940, 121408), (7588, 111040), (8672, 97160), (8960, 94037), (9485, 88832), (9716, 86720), (10840, 77728), (11104, 75880), (12145, 69376), (13880, 60704), (15176, 55520), (17344, 48580), (18970, 44416), (19432, 43360), (21680, 38864), (22208, 37940), (24290, 34688), (27760, 30352)]