79648000

素因数分解:

$2^8\times 5^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 210450240

約数和(自身を除く): 130802240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 131, 152, 160, 190, 200, 250, 256, 262, 304, 320, 380, 400, 475, 500, 524, 608, 640, 655, 760, 800, 950, 1000, 1048, 1216, 1280, 1310, 1520, 1600, 1900, 2000, 2096, 2375, 2432, 2489, 2620, 3040, 3200, 3275, 3800, 4000, 4192, 4750, 4864, 4978, 5240, 6080, 6400, 6550, 7600, 8000, 8384, 9500, 9956, 10480, 12160, 12445, 13100, 15200, 16000, 16375, 16768, 19000, 19912, 20960, 24320, 24890, 26200, 30400, 32000, 32750, 33536, 38000, 39824, 41920, 49780, 52400, 60800, 62225, 65500, 76000, 79648, 83840, 99560, 104800, 121600, 124450, 131000, 152000, 159296, 167680, 199120, 209600, 248900, 262000, 304000, 311125, 318592, 398240, 419200, 497800, 524000, 608000, 622250, 637184, 796480, 838400, 995600, 1048000, 1244500, 1592960, 1991200, 2096000, 2489000, 3185920, 3982400, 4192000, 4978000, 7964800, 9956000, 15929600, 19912000, 39824000, 79648000]

約数ペア:

[(1, 79648000), (2, 39824000), (4, 19912000), (5, 15929600), (8, 9956000), (10, 7964800), (16, 4978000), (19, 4192000), (20, 3982400), (25, 3185920), (32, 2489000), (38, 2096000), (40, 1991200), (50, 1592960), (64, 1244500), (76, 1048000), (80, 995600), (95, 838400), (100, 796480), (125, 637184), (128, 622250), (131, 608000), (152, 524000), (160, 497800), (190, 419200), (200, 398240), (250, 318592), (256, 311125), (262, 304000), (304, 262000), (320, 248900), (380, 209600), (400, 199120), (475, 167680), (500, 159296), (524, 152000), (608, 131000), (640, 124450), (655, 121600), (760, 104800), (800, 99560), (950, 83840), (1000, 79648), (1048, 76000), (1216, 65500), (1280, 62225), (1310, 60800), (1520, 52400), (1600, 49780), (1900, 41920), (2000, 39824), (2096, 38000), (2375, 33536), (2432, 32750), (2489, 32000), (2620, 30400), (3040, 26200), (3200, 24890), (3275, 24320), (3800, 20960), (4000, 19912), (4192, 19000), (4750, 16768), (4864, 16375), (4978, 16000), (5240, 15200), (6080, 13100), (6400, 12445), (6550, 12160), (7600, 10480), (8000, 9956), (8384, 9500)]