631916480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151903}}^1$

素因数の和:151933

約数の個数: 56

約数和(自身を含む): 1620511872

約数和(自身を除く): 988595392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 151903, 303806, 607612, 759515, 1215224, 1519030, 1974739, 2430448, 3038060, 3949478, 4860896, 6076120, 7898956, 9721792, 9873695, 12152240, 15797912, 19747390, 24304480, 31595824, 39494780, 48608960, 63191648, 78989560, 126383296, 157979120, 315958240, 631916480]

約数ペア:

[(1, 631916480), (2, 315958240), (4, 157979120), (5, 126383296), (8, 78989560), (10, 63191648), (13, 48608960), (16, 39494780), (20, 31595824), (26, 24304480), (32, 19747390), (40, 15797912), (52, 12152240), (64, 9873695), (65, 9721792), (80, 7898956), (104, 6076120), (130, 4860896), (160, 3949478), (208, 3038060), (260, 2430448), (320, 1974739), (416, 1519030), (520, 1215224), (832, 759515), (1040, 607612), (2080, 303806), (4160, 151903)]