16257401040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{67943}}^1$

素因数の和:68956

約数の個数: 80

約数和(自身を含む): 50449235328

約数和(自身を除く): 34191834288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 997, 1994, 2991, 3988, 4985, 5982, 7976, 9970, 11964, 14955, 15952, 19940, 23928, 29910, 39880, 47856, 59820, 67943, 79760, 119640, 135886, 203829, 239280, 271772, 339715, 407658, 543544, 679430, 815316, 1019145, 1087088, 1358860, 1630632, 2038290, 2717720, 3261264, 4076580, 5435440, 8153160, 16306320, 67739171, 135478342, 203217513, 270956684, 338695855, 406435026, 541913368, 677391710, 812870052, 1016087565, 1083826736, 1354783420, 1625740104, 2032175130, 2709566840, 3251480208, 4064350260, 5419133680, 8128700520, 16257401040]

約数ペア:

[(1, 16257401040), (2, 8128700520), (3, 5419133680), (4, 4064350260), (5, 3251480208), (6, 2709566840), (8, 2032175130), (10, 1625740104), (12, 1354783420), (15, 1083826736), (16, 1016087565), (20, 812870052), (24, 677391710), (30, 541913368), (40, 406435026), (48, 338695855), (60, 270956684), (80, 203217513), (120, 135478342), (240, 67739171), (997, 16306320), (1994, 8153160), (2991, 5435440), (3988, 4076580), (4985, 3261264), (5982, 2717720), (7976, 2038290), (9970, 1630632), (11964, 1358860), (14955, 1087088), (15952, 1019145), (19940, 815316), (23928, 679430), (29910, 543544), (39880, 407658), (47856, 339715), (59820, 271772), (67943, 239280), (79760, 203829), (119640, 135886)]