84420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 297024

約数和(自身を除く): 212604

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, 67, 70, 84, 90, 105, 126, 134, 140, 180, 201, 210, 252, 268, 315, 335, 402, 420, 469, 603, 630, 670, 804, 938, 1005, 1206, 1260, 1340, 1407, 1876, 2010, 2345, 2412, 2814, 3015, 4020, 4221, 4690, 5628, 6030, 7035, 8442, 9380, 12060, 14070, 16884, 21105, 28140, 42210, 84420]

約数ペア:

[(1, 84420), (2, 42210), (3, 28140), (4, 21105), (5, 16884), (6, 14070), (7, 12060), (9, 9380), (10, 8442), (12, 7035), (14, 6030), (15, 5628), (18, 4690), (20, 4221), (21, 4020), (28, 3015), (30, 2814), (35, 2412), (36, 2345), (42, 2010), (45, 1876), (60, 1407), (63, 1340), (67, 1260), (70, 1206), (84, 1005), (90, 938), (105, 804), (126, 670), (134, 630), (140, 603), (180, 469), (201, 420), (210, 402), (252, 335), (268, 315)]