1415960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 3931200

約数和(自身を除く): 2515240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 389, 455, 520, 728, 778, 910, 1556, 1820, 1945, 2723, 3112, 3640, 3890, 5057, 5446, 7780, 10114, 10892, 13615, 15560, 20228, 21784, 25285, 27230, 35399, 40456, 50570, 54460, 70798, 101140, 108920, 141596, 176995, 202280, 283192, 353990, 707980, 1415960]

約数ペア:

[(1, 1415960), (2, 707980), (4, 353990), (5, 283192), (7, 202280), (8, 176995), (10, 141596), (13, 108920), (14, 101140), (20, 70798), (26, 54460), (28, 50570), (35, 40456), (40, 35399), (52, 27230), (56, 25285), (65, 21784), (70, 20228), (91, 15560), (104, 13615), (130, 10892), (140, 10114), (182, 7780), (260, 5446), (280, 5057), (364, 3890), (389, 3640), (455, 3112), (520, 2723), (728, 1945), (778, 1820), (910, 1556)]