89701280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1553}}^1$

素因数の和:1606

約数の個数: 72

約数和(自身を含む): 223803972

約数和(自身を除く): 134102692

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1444, 1520, 1553, 1805, 2888, 3040, 3106, 3610, 5776, 6212, 7220, 7765, 11552, 12424, 14440, 15530, 24848, 28880, 29507, 31060, 49696, 57760, 59014, 62120, 118028, 124240, 147535, 236056, 248480, 295070, 472112, 560633, 590140, 944224, 1121266, 1180280, 2242532, 2360560, 2803165, 4485064, 4721120, 5606330, 8970128, 11212660, 17940256, 22425320, 44850640, 89701280]

約数ペア:

[(1, 89701280), (2, 44850640), (4, 22425320), (5, 17940256), (8, 11212660), (10, 8970128), (16, 5606330), (19, 4721120), (20, 4485064), (32, 2803165), (38, 2360560), (40, 2242532), (76, 1180280), (80, 1121266), (95, 944224), (152, 590140), (160, 560633), (190, 472112), (304, 295070), (361, 248480), (380, 236056), (608, 147535), (722, 124240), (760, 118028), (1444, 62120), (1520, 59014), (1553, 57760), (1805, 49696), (2888, 31060), (3040, 29507), (3106, 28880), (3610, 24848), (5776, 15530), (6212, 14440), (7220, 12424), (7765, 11552)]