156980320

素因数分解:

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

素因数の和:20052

約数の個数: 72

約数和(自身を含む): 431437104

約数和(自身を除く): 274456784

約数列:

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

約数ペア:

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