321253380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{254963}}^1$

素因数の和:254985

約数の個数: 72

約数和(自身を含む): 1113682752

約数和(自身を除く): 792429372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 254963, 509926, 764889, 1019852, 1274815, 1529778, 1784741, 2294667, 2549630, 3059556, 3569482, 3824445, 4589334, 5099260, 5354223, 7138964, 7648890, 8923705, 9178668, 10708446, 11473335, 15297780, 16062669, 17847410, 21416892, 22946670, 26771115, 32125338, 35694820, 45893340, 53542230, 64250676, 80313345, 107084460, 160626690, 321253380]

約数ペア:

[(1, 321253380), (2, 160626690), (3, 107084460), (4, 80313345), (5, 64250676), (6, 53542230), (7, 45893340), (9, 35694820), (10, 32125338), (12, 26771115), (14, 22946670), (15, 21416892), (18, 17847410), (20, 16062669), (21, 15297780), (28, 11473335), (30, 10708446), (35, 9178668), (36, 8923705), (42, 7648890), (45, 7138964), (60, 5354223), (63, 5099260), (70, 4589334), (84, 3824445), (90, 3569482), (105, 3059556), (126, 2549630), (140, 2294667), (180, 1784741), (210, 1529778), (252, 1274815), (315, 1019852), (420, 764889), (630, 509926), (1260, 254963)]