64890280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17827}}^1$

素因数の和:17858

約数の個数: 64

約数和(自身を含む): 179706240

約数和(自身を除く): 114815960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 17827, 35654, 71308, 89135, 124789, 142616, 178270, 231751, 249578, 356540, 463502, 499156, 623945, 713080, 927004, 998312, 1158755, 1247890, 1622257, 1854008, 2317510, 2495780, 3244514, 4635020, 4991560, 6489028, 8111285, 9270040, 12978056, 16222570, 32445140, 64890280]

約数ペア:

[(1, 64890280), (2, 32445140), (4, 16222570), (5, 12978056), (7, 9270040), (8, 8111285), (10, 6489028), (13, 4991560), (14, 4635020), (20, 3244514), (26, 2495780), (28, 2317510), (35, 1854008), (40, 1622257), (52, 1247890), (56, 1158755), (65, 998312), (70, 927004), (91, 713080), (104, 623945), (130, 499156), (140, 463502), (182, 356540), (260, 249578), (280, 231751), (364, 178270), (455, 142616), (520, 124789), (728, 89135), (910, 71308), (1820, 35654), (3640, 17827)]