71745840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:667

約数の個数: 120

約数和(自身を含む): 242515728

約数和(自身を除く): 170769888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 251, 360, 397, 502, 720, 753, 794, 1004, 1191, 1255, 1506, 1588, 1985, 2008, 2259, 2382, 2510, 3012, 3176, 3573, 3765, 3970, 4016, 4518, 4764, 5020, 5955, 6024, 6352, 7146, 7530, 7940, 9036, 9528, 10040, 11295, 11910, 12048, 14292, 15060, 15880, 17865, 18072, 19056, 20080, 22590, 23820, 28584, 30120, 31760, 35730, 36144, 45180, 47640, 57168, 60240, 71460, 90360, 95280, 99647, 142920, 180720, 199294, 285840, 298941, 398588, 498235, 597882, 797176, 896823, 996470, 1195764, 1494705, 1594352, 1793646, 1992940, 2391528, 2989410, 3587292, 3985880, 4484115, 4783056, 5978820, 7174584, 7971760, 8968230, 11957640, 14349168, 17936460, 23915280, 35872920, 71745840]

約数ペア:

[(1, 71745840), (2, 35872920), (3, 23915280), (4, 17936460), (5, 14349168), (6, 11957640), (8, 8968230), (9, 7971760), (10, 7174584), (12, 5978820), (15, 4783056), (16, 4484115), (18, 3985880), (20, 3587292), (24, 2989410), (30, 2391528), (36, 1992940), (40, 1793646), (45, 1594352), (48, 1494705), (60, 1195764), (72, 996470), (80, 896823), (90, 797176), (120, 597882), (144, 498235), (180, 398588), (240, 298941), (251, 285840), (360, 199294), (397, 180720), (502, 142920), (720, 99647), (753, 95280), (794, 90360), (1004, 71460), (1191, 60240), (1255, 57168), (1506, 47640), (1588, 45180), (1985, 36144), (2008, 35730), (2259, 31760), (2382, 30120), (2510, 28584), (3012, 23820), (3176, 22590), (3573, 20080), (3765, 19056), (3970, 18072), (4016, 17865), (4518, 15880), (4764, 15060), (5020, 14292), (5955, 12048), (6024, 11910), (6352, 11295), (7146, 10040), (7530, 9528), (7940, 9036)]