80516280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51613}}^1$

素因数の和:51640

約数の個数: 64

約数和(自身を含む): 260134560

約数和(自身を除く): 179618280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51613, 103226, 154839, 206452, 258065, 309678, 412904, 516130, 619356, 670969, 774195, 1032260, 1238712, 1341938, 1548390, 2012907, 2064520, 2683876, 3096780, 3354845, 4025814, 5367752, 6193560, 6709690, 8051628, 10064535, 13419380, 16103256, 20129070, 26838760, 40258140, 80516280]

約数ペア:

[(1, 80516280), (2, 40258140), (3, 26838760), (4, 20129070), (5, 16103256), (6, 13419380), (8, 10064535), (10, 8051628), (12, 6709690), (13, 6193560), (15, 5367752), (20, 4025814), (24, 3354845), (26, 3096780), (30, 2683876), (39, 2064520), (40, 2012907), (52, 1548390), (60, 1341938), (65, 1238712), (78, 1032260), (104, 774195), (120, 670969), (130, 619356), (156, 516130), (195, 412904), (260, 309678), (312, 258065), (390, 206452), (520, 154839), (780, 103226), (1560, 51613)]