66661120

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2741}}^1$

素因数の和:2781

約数の個数: 72

約数和(自身を含む): 168139440

約数和(自身を除く): 101478320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 2741, 3040, 4864, 5482, 6080, 10964, 12160, 13705, 21928, 24320, 27410, 43856, 52079, 54820, 87712, 104158, 109640, 175424, 208316, 219280, 260395, 350848, 416632, 438560, 520790, 701696, 833264, 877120, 1041580, 1666528, 1754240, 2083160, 3333056, 3508480, 4166320, 6666112, 8332640, 13332224, 16665280, 33330560, 66661120]

約数ペア:

[(1, 66661120), (2, 33330560), (4, 16665280), (5, 13332224), (8, 8332640), (10, 6666112), (16, 4166320), (19, 3508480), (20, 3333056), (32, 2083160), (38, 1754240), (40, 1666528), (64, 1041580), (76, 877120), (80, 833264), (95, 701696), (128, 520790), (152, 438560), (160, 416632), (190, 350848), (256, 260395), (304, 219280), (320, 208316), (380, 175424), (608, 109640), (640, 104158), (760, 87712), (1216, 54820), (1280, 52079), (1520, 43856), (2432, 27410), (2741, 24320), (3040, 21928), (4864, 13705), (5482, 12160), (6080, 10964)]