68380035

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 123171840

約数和(自身を除く): 54791805

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 89, 115, 131, 255, 267, 345, 391, 393, 445, 655, 1173, 1335, 1513, 1955, 1965, 2047, 2227, 3013, 4539, 5865, 6141, 6681, 7565, 9039, 10235, 11135, 11659, 15065, 22695, 30705, 33405, 34799, 34977, 45195, 51221, 58295, 104397, 153663, 173995, 174885, 198203, 256105, 268157, 521985, 594609, 768315, 804471, 991015, 1340785, 2973045, 4022355, 4558669, 13676007, 22793345, 68380035]

約数ペア:

[(1, 68380035), (3, 22793345), (5, 13676007), (15, 4558669), (17, 4022355), (23, 2973045), (51, 1340785), (69, 991015), (85, 804471), (89, 768315), (115, 594609), (131, 521985), (255, 268157), (267, 256105), (345, 198203), (391, 174885), (393, 173995), (445, 153663), (655, 104397), (1173, 58295), (1335, 51221), (1513, 45195), (1955, 34977), (1965, 34799), (2047, 33405), (2227, 30705), (3013, 22695), (4539, 15065), (5865, 11659), (6141, 11135), (6681, 10235), (7565, 9039)]