15707440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4007}}^1$

素因数の和:4034

約数の個数: 60

約数和(自身を含む): 42492816

約数和(自身を除く): 26785376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4007, 8014, 16028, 20035, 28049, 32056, 40070, 56098, 64112, 80140, 112196, 140245, 160280, 196343, 224392, 280490, 320560, 392686, 448784, 560980, 785372, 981715, 1121960, 1570744, 1963430, 2243920, 3141488, 3926860, 7853720, 15707440]

約数ペア:

[(1, 15707440), (2, 7853720), (4, 3926860), (5, 3141488), (7, 2243920), (8, 1963430), (10, 1570744), (14, 1121960), (16, 981715), (20, 785372), (28, 560980), (35, 448784), (40, 392686), (49, 320560), (56, 280490), (70, 224392), (80, 196343), (98, 160280), (112, 140245), (140, 112196), (196, 80140), (245, 64112), (280, 56098), (392, 40070), (490, 32056), (560, 28049), (784, 20035), (980, 16028), (1960, 8014), (3920, 4007)]