78971580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4523}}^1$

素因数の和:4635

約数の個数: 72

約数和(自身を含む): 242070192

約数和(自身を除く): 163098612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 4523, 5820, 8730, 9046, 13569, 17460, 18092, 22615, 27138, 40707, 45230, 54276, 67845, 81414, 90460, 135690, 162828, 203535, 271380, 407070, 438731, 814140, 877462, 1316193, 1754924, 2193655, 2632386, 3948579, 4387310, 5264772, 6580965, 7897158, 8774620, 13161930, 15794316, 19742895, 26323860, 39485790, 78971580]

約数ペア:

[(1, 78971580), (2, 39485790), (3, 26323860), (4, 19742895), (5, 15794316), (6, 13161930), (9, 8774620), (10, 7897158), (12, 6580965), (15, 5264772), (18, 4387310), (20, 3948579), (30, 2632386), (36, 2193655), (45, 1754924), (60, 1316193), (90, 877462), (97, 814140), (180, 438731), (194, 407070), (291, 271380), (388, 203535), (485, 162828), (582, 135690), (873, 90460), (970, 81414), (1164, 67845), (1455, 54276), (1746, 45230), (1940, 40707), (2910, 27138), (3492, 22615), (4365, 18092), (4523, 17460), (5820, 13569), (8730, 9046)]