64216960

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5281}}^1$

素因数の和:5319

約数の個数: 64

約数和(自身を含む): 161629200

約数和(自身を除く): 97412240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 5281, 6080, 10562, 12160, 21124, 26405, 42248, 52810, 84496, 100339, 105620, 168992, 200678, 211240, 337984, 401356, 422480, 501695, 675968, 802712, 844960, 1003390, 1605424, 1689920, 2006780, 3210848, 3379840, 4013560, 6421696, 8027120, 12843392, 16054240, 32108480, 64216960]

約数ペア:

[(1, 64216960), (2, 32108480), (4, 16054240), (5, 12843392), (8, 8027120), (10, 6421696), (16, 4013560), (19, 3379840), (20, 3210848), (32, 2006780), (38, 1689920), (40, 1605424), (64, 1003390), (76, 844960), (80, 802712), (95, 675968), (128, 501695), (152, 422480), (160, 401356), (190, 337984), (304, 211240), (320, 200678), (380, 168992), (608, 105620), (640, 100339), (760, 84496), (1216, 52810), (1520, 42248), (2432, 26405), (3040, 21124), (5281, 12160), (6080, 10562)]