669636

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 1965600

約数和(自身を除く): 1295964

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 89, 99, 114, 132, 171, 178, 198, 209, 228, 267, 342, 356, 396, 418, 534, 627, 684, 801, 836, 979, 1068, 1254, 1602, 1691, 1881, 1958, 2508, 2937, 3204, 3382, 3762, 3916, 5073, 5874, 6764, 7524, 8811, 10146, 11748, 15219, 17622, 18601, 20292, 30438, 35244, 37202, 55803, 60876, 74404, 111606, 167409, 223212, 334818, 669636]

約数ペア:

[(1, 669636), (2, 334818), (3, 223212), (4, 167409), (6, 111606), (9, 74404), (11, 60876), (12, 55803), (18, 37202), (19, 35244), (22, 30438), (33, 20292), (36, 18601), (38, 17622), (44, 15219), (57, 11748), (66, 10146), (76, 8811), (89, 7524), (99, 6764), (114, 5874), (132, 5073), (171, 3916), (178, 3762), (198, 3382), (209, 3204), (228, 2937), (267, 2508), (342, 1958), (356, 1881), (396, 1691), (418, 1602), (534, 1254), (627, 1068), (684, 979), (801, 836)]