78895920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3389}}^1$

素因数の和:3502

約数の個数: 80

約数和(自身を含む): 247171680

約数和(自身を除く): 168275760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1455, 1552, 1940, 2328, 2910, 3389, 3880, 4656, 5820, 6778, 7760, 10167, 11640, 13556, 16945, 20334, 23280, 27112, 33890, 40668, 50835, 54224, 67780, 81336, 101670, 135560, 162672, 203340, 271120, 328733, 406680, 657466, 813360, 986199, 1314932, 1643665, 1972398, 2629864, 3287330, 3944796, 4930995, 5259728, 6574660, 7889592, 9861990, 13149320, 15779184, 19723980, 26298640, 39447960, 78895920]

約数ペア:

[(1, 78895920), (2, 39447960), (3, 26298640), (4, 19723980), (5, 15779184), (6, 13149320), (8, 9861990), (10, 7889592), (12, 6574660), (15, 5259728), (16, 4930995), (20, 3944796), (24, 3287330), (30, 2629864), (40, 1972398), (48, 1643665), (60, 1314932), (80, 986199), (97, 813360), (120, 657466), (194, 406680), (240, 328733), (291, 271120), (388, 203340), (485, 162672), (582, 135560), (776, 101670), (970, 81336), (1164, 67780), (1455, 54224), (1552, 50835), (1940, 40668), (2328, 33890), (2910, 27112), (3389, 23280), (3880, 20334), (4656, 16945), (5820, 13556), (6778, 11640), (7760, 10167)]