318557120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2098

約数の個数: 112

約数和(自身を含む): 879579648

約数和(自身を除く): 561022528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 710, 994, 1120, 1136, 1420, 1988, 2003, 2240, 2272, 2485, 2840, 3976, 4006, 4544, 4970, 5680, 7952, 8012, 9940, 10015, 11360, 14021, 15904, 16024, 19880, 20030, 22720, 28042, 31808, 32048, 39760, 40060, 56084, 64096, 70105, 79520, 80120, 112168, 128192, 140210, 142213, 159040, 160240, 224336, 280420, 284426, 320480, 448672, 560840, 568852, 640960, 711065, 897344, 995491, 1121680, 1137704, 1422130, 1990982, 2243360, 2275408, 2844260, 3981964, 4486720, 4550816, 4977455, 5688520, 7963928, 9101632, 9954910, 11377040, 15927856, 19909820, 22754080, 31855712, 39819640, 45508160, 63711424, 79639280, 159278560, 318557120]

約数ペア:

[(1, 318557120), (2, 159278560), (4, 79639280), (5, 63711424), (7, 45508160), (8, 39819640), (10, 31855712), (14, 22754080), (16, 19909820), (20, 15927856), (28, 11377040), (32, 9954910), (35, 9101632), (40, 7963928), (56, 5688520), (64, 4977455), (70, 4550816), (71, 4486720), (80, 3981964), (112, 2844260), (140, 2275408), (142, 2243360), (160, 1990982), (224, 1422130), (280, 1137704), (284, 1121680), (320, 995491), (355, 897344), (448, 711065), (497, 640960), (560, 568852), (568, 560840), (710, 448672), (994, 320480), (1120, 284426), (1136, 280420), (1420, 224336), (1988, 160240), (2003, 159040), (2240, 142213), (2272, 140210), (2485, 128192), (2840, 112168), (3976, 80120), (4006, 79520), (4544, 70105), (4970, 64096), (5680, 56084), (7952, 40060), (8012, 39760), (9940, 32048), (10015, 31808), (11360, 28042), (14021, 22720), (15904, 20030), (16024, 19880)]