320815908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{74887}}^1$

素因数の和:74921

約数の個数: 72

約数和(自身を含む): 981332352

約数和(自身を除く): 660516444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 74887, 149774, 224661, 299548, 449322, 524209, 673983, 898644, 1048418, 1273079, 1347966, 1572627, 2096836, 2546158, 2695932, 3145254, 3819237, 4717881, 5092316, 6290508, 7638474, 8911553, 9435762, 11457711, 15276948, 17823106, 18871524, 22915422, 26734659, 35646212, 45830844, 53469318, 80203977, 106938636, 160407954, 320815908]

約数ペア:

[(1, 320815908), (2, 160407954), (3, 106938636), (4, 80203977), (6, 53469318), (7, 45830844), (9, 35646212), (12, 26734659), (14, 22915422), (17, 18871524), (18, 17823106), (21, 15276948), (28, 11457711), (34, 9435762), (36, 8911553), (42, 7638474), (51, 6290508), (63, 5092316), (68, 4717881), (84, 3819237), (102, 3145254), (119, 2695932), (126, 2546158), (153, 2096836), (204, 1572627), (238, 1347966), (252, 1273079), (306, 1048418), (357, 898644), (476, 673983), (612, 524209), (714, 449322), (1071, 299548), (1428, 224661), (2142, 149774), (4284, 74887)]