51367890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{739}}^1$

素因数の和:1087

約数の個数: 64

約数和(自身を含む): 141511680

約数和(自身を除く): 90143790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 331, 662, 739, 993, 1478, 1655, 1986, 2217, 2317, 3310, 3695, 4434, 4634, 4965, 5173, 6951, 7390, 9930, 10346, 11085, 11585, 13902, 15519, 22170, 23170, 25865, 31038, 34755, 51730, 69510, 77595, 155190, 244609, 489218, 733827, 1223045, 1467654, 1712263, 2446090, 3424526, 3669135, 5136789, 7338270, 8561315, 10273578, 17122630, 25683945, 51367890]

約数ペア:

[(1, 51367890), (2, 25683945), (3, 17122630), (5, 10273578), (6, 8561315), (7, 7338270), (10, 5136789), (14, 3669135), (15, 3424526), (21, 2446090), (30, 1712263), (35, 1467654), (42, 1223045), (70, 733827), (105, 489218), (210, 244609), (331, 155190), (662, 77595), (739, 69510), (993, 51730), (1478, 34755), (1655, 31038), (1986, 25865), (2217, 23170), (2317, 22170), (3310, 15519), (3695, 13902), (4434, 11585), (4634, 11085), (4965, 10346), (5173, 9930), (6951, 7390)]