81974700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:433

約数の個数: 144

約数和(自身を含む): 267100960

約数和(自身を除く): 185126260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 97, 100, 108, 135, 150, 180, 194, 225, 270, 291, 300, 313, 388, 450, 485, 540, 582, 626, 675, 873, 900, 939, 970, 1164, 1252, 1350, 1455, 1565, 1746, 1878, 1940, 2425, 2619, 2700, 2817, 2910, 3130, 3492, 3756, 4365, 4695, 4850, 5238, 5634, 5820, 6260, 7275, 7825, 8451, 8730, 9390, 9700, 10476, 11268, 13095, 14085, 14550, 15650, 16902, 17460, 18780, 21825, 23475, 26190, 28170, 29100, 30361, 31300, 33804, 42255, 43650, 46950, 52380, 56340, 60722, 65475, 70425, 84510, 87300, 91083, 93900, 121444, 130950, 140850, 151805, 169020, 182166, 211275, 261900, 273249, 281700, 303610, 364332, 422550, 455415, 546498, 607220, 759025, 819747, 845100, 910830, 1092996, 1366245, 1518050, 1639494, 1821660, 2277075, 2732490, 3036100, 3278988, 4098735, 4554150, 5464980, 6831225, 8197470, 9108300, 13662450, 16394940, 20493675, 27324900, 40987350, 81974700]

約数ペア:

[(1, 81974700), (2, 40987350), (3, 27324900), (4, 20493675), (5, 16394940), (6, 13662450), (9, 9108300), (10, 8197470), (12, 6831225), (15, 5464980), (18, 4554150), (20, 4098735), (25, 3278988), (27, 3036100), (30, 2732490), (36, 2277075), (45, 1821660), (50, 1639494), (54, 1518050), (60, 1366245), (75, 1092996), (90, 910830), (97, 845100), (100, 819747), (108, 759025), (135, 607220), (150, 546498), (180, 455415), (194, 422550), (225, 364332), (270, 303610), (291, 281700), (300, 273249), (313, 261900), (388, 211275), (450, 182166), (485, 169020), (540, 151805), (582, 140850), (626, 130950), (675, 121444), (873, 93900), (900, 91083), (939, 87300), (970, 84510), (1164, 70425), (1252, 65475), (1350, 60722), (1455, 56340), (1565, 52380), (1746, 46950), (1878, 43650), (1940, 42255), (2425, 33804), (2619, 31300), (2700, 30361), (2817, 29100), (2910, 28170), (3130, 26190), (3492, 23475), (3756, 21825), (4365, 18780), (4695, 17460), (4850, 16902), (5238, 15650), (5634, 14550), (5820, 14085), (6260, 13095), (7275, 11268), (7825, 10476), (8451, 9700), (8730, 9390)]