263527720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2531}}^1$

素因数の和:2698

約数の個数: 64

約数和(自身を含む): 628948800

約数和(自身を除く): 365421080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 380, 548, 685, 760, 1096, 1370, 2531, 2603, 2740, 5062, 5206, 5480, 10124, 10412, 12655, 13015, 20248, 20824, 25310, 26030, 48089, 50620, 52060, 96178, 101240, 104120, 192356, 240445, 346747, 384712, 480890, 693494, 961780, 1386988, 1733735, 1923560, 2773976, 3467470, 6588193, 6934940, 13176386, 13869880, 26352772, 32940965, 52705544, 65881930, 131763860, 263527720]

約数ペア:

[(1, 263527720), (2, 131763860), (4, 65881930), (5, 52705544), (8, 32940965), (10, 26352772), (19, 13869880), (20, 13176386), (38, 6934940), (40, 6588193), (76, 3467470), (95, 2773976), (137, 1923560), (152, 1733735), (190, 1386988), (274, 961780), (380, 693494), (548, 480890), (685, 384712), (760, 346747), (1096, 240445), (1370, 192356), (2531, 104120), (2603, 101240), (2740, 96178), (5062, 52060), (5206, 50620), (5480, 48089), (10124, 26030), (10412, 25310), (12655, 20824), (13015, 20248)]