72110780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13921}}^1$

素因数の和:13974

約数の個数: 48

約数和(自身を含む): 177756096

約数和(自身を除く): 105645316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 13921, 27842, 55684, 69605, 97447, 139210, 194894, 278420, 389788, 487235, 515077, 974470, 1030154, 1948940, 2060308, 2575385, 3605539, 5150770, 7211078, 10301540, 14422156, 18027695, 36055390, 72110780]

約数ペア:

[(1, 72110780), (2, 36055390), (4, 18027695), (5, 14422156), (7, 10301540), (10, 7211078), (14, 5150770), (20, 3605539), (28, 2575385), (35, 2060308), (37, 1948940), (70, 1030154), (74, 974470), (140, 515077), (148, 487235), (185, 389788), (259, 278420), (370, 194894), (518, 139210), (740, 97447), (1036, 69605), (1295, 55684), (2590, 27842), (5180, 13921)]