278326720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7309}}^1$

素因数の和:7350

約数の個数: 112

約数和(自身を含む): 802111680

約数和(自身を除く): 523784960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 680, 952, 1088, 1120, 1190, 1360, 1904, 2240, 2380, 2720, 3808, 4760, 5440, 7309, 7616, 9520, 14618, 19040, 29236, 36545, 38080, 51163, 58472, 73090, 102326, 116944, 124253, 146180, 204652, 233888, 248506, 255815, 292360, 409304, 467776, 497012, 511630, 584720, 621265, 818608, 869771, 994024, 1023260, 1169440, 1242530, 1637216, 1739542, 1988048, 2046520, 2338880, 2485060, 3274432, 3479084, 3976096, 4093040, 4348855, 4970120, 6958168, 7952192, 8186080, 8697710, 9940240, 13916336, 16372160, 17395420, 19880480, 27832672, 34790840, 39760960, 55665344, 69581680, 139163360, 278326720]

約数ペア:

[(1, 278326720), (2, 139163360), (4, 69581680), (5, 55665344), (7, 39760960), (8, 34790840), (10, 27832672), (14, 19880480), (16, 17395420), (17, 16372160), (20, 13916336), (28, 9940240), (32, 8697710), (34, 8186080), (35, 7952192), (40, 6958168), (56, 4970120), (64, 4348855), (68, 4093040), (70, 3976096), (80, 3479084), (85, 3274432), (112, 2485060), (119, 2338880), (136, 2046520), (140, 1988048), (160, 1739542), (170, 1637216), (224, 1242530), (238, 1169440), (272, 1023260), (280, 994024), (320, 869771), (340, 818608), (448, 621265), (476, 584720), (544, 511630), (560, 497012), (595, 467776), (680, 409304), (952, 292360), (1088, 255815), (1120, 248506), (1190, 233888), (1360, 204652), (1904, 146180), (2240, 124253), (2380, 116944), (2720, 102326), (3808, 73090), (4760, 58472), (5440, 51163), (7309, 38080), (7616, 36545), (9520, 29236), (14618, 19040)]