313960640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{20023}}^1$

素因数の和:20054

約数の個数: 84

約数和(自身を含む): 869722416

約数和(自身を除く): 555761776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 20023, 40046, 80092, 100115, 140161, 160184, 200230, 280322, 320368, 400460, 560644, 640736, 700805, 800920, 981127, 1121288, 1281472, 1401610, 1601840, 1962254, 2242576, 2803220, 3203680, 3924508, 4485152, 4905635, 5606440, 6407360, 7849016, 8970304, 9811270, 11212880, 15698032, 19622540, 22425760, 31396064, 39245080, 44851520, 62792128, 78490160, 156980320, 313960640]

約数ペア:

[(1, 313960640), (2, 156980320), (4, 78490160), (5, 62792128), (7, 44851520), (8, 39245080), (10, 31396064), (14, 22425760), (16, 19622540), (20, 15698032), (28, 11212880), (32, 9811270), (35, 8970304), (40, 7849016), (49, 6407360), (56, 5606440), (64, 4905635), (70, 4485152), (80, 3924508), (98, 3203680), (112, 2803220), (140, 2242576), (160, 1962254), (196, 1601840), (224, 1401610), (245, 1281472), (280, 1121288), (320, 981127), (392, 800920), (448, 700805), (490, 640736), (560, 560644), (784, 400460), (980, 320368), (1120, 280322), (1568, 200230), (1960, 160184), (2240, 140161), (3136, 100115), (3920, 80092), (7840, 40046), (15680, 20023)]