64947790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 126904320

約数和(自身を除く): 61956530

約数列:

[1, 2, 5, 10, 31, 53, 59, 62, 67, 106, 118, 134, 155, 265, 295, 310, 335, 530, 590, 670, 1643, 1829, 2077, 3127, 3286, 3551, 3658, 3953, 4154, 6254, 7102, 7906, 8215, 9145, 10385, 15635, 16430, 17755, 18290, 19765, 20770, 31270, 35510, 39530, 96937, 110081, 122543, 193874, 209509, 220162, 245086, 419018, 484685, 550405, 612715, 969370, 1047545, 1100810, 1225430, 2095090, 6494779, 12989558, 32473895, 64947790]

約数ペア:

[(1, 64947790), (2, 32473895), (5, 12989558), (10, 6494779), (31, 2095090), (53, 1225430), (59, 1100810), (62, 1047545), (67, 969370), (106, 612715), (118, 550405), (134, 484685), (155, 419018), (265, 245086), (295, 220162), (310, 209509), (335, 193874), (530, 122543), (590, 110081), (670, 96937), (1643, 39530), (1829, 35510), (2077, 31270), (3127, 20770), (3286, 19765), (3551, 18290), (3658, 17755), (3953, 16430), (4154, 15635), (6254, 10385), (7102, 9145), (7906, 8215)]