163121840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15331}}^1$

素因数の和:15370

約数の個数: 80

約数和(自身を含む): 456280320

約数和(自身を除く): 293158480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 15331, 30662, 61324, 76655, 107317, 122648, 153310, 214634, 245296, 291289, 306620, 429268, 536585, 582578, 613240, 858536, 1073170, 1165156, 1226480, 1456445, 1717072, 2039023, 2146340, 2330312, 2912890, 4078046, 4292680, 4660624, 5825780, 8156092, 8585360, 10195115, 11651560, 16312184, 20390230, 23303120, 32624368, 40780460, 81560920, 163121840]

約数ペア:

[(1, 163121840), (2, 81560920), (4, 40780460), (5, 32624368), (7, 23303120), (8, 20390230), (10, 16312184), (14, 11651560), (16, 10195115), (19, 8585360), (20, 8156092), (28, 5825780), (35, 4660624), (38, 4292680), (40, 4078046), (56, 2912890), (70, 2330312), (76, 2146340), (80, 2039023), (95, 1717072), (112, 1456445), (133, 1226480), (140, 1165156), (152, 1073170), (190, 858536), (266, 613240), (280, 582578), (304, 536585), (380, 429268), (532, 306620), (560, 291289), (665, 245296), (760, 214634), (1064, 153310), (1330, 122648), (1520, 107317), (2128, 76655), (2660, 61324), (5320, 30662), (10640, 15331)]