861036800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 216

約数和(自身を含む): 2341933440

約数和(自身を除く): 1480896640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 79, 80, 100, 104, 128, 130, 131, 158, 160, 200, 208, 256, 260, 262, 316, 320, 325, 395, 400, 416, 520, 524, 632, 640, 650, 655, 790, 800, 832, 1027, 1040, 1048, 1264, 1280, 1300, 1310, 1580, 1600, 1664, 1703, 1975, 2054, 2080, 2096, 2528, 2600, 2620, 3160, 3200, 3275, 3328, 3406, 3950, 4108, 4160, 4192, 5056, 5135, 5200, 5240, 6320, 6400, 6550, 6812, 7900, 8216, 8320, 8384, 8515, 10112, 10270, 10349, 10400, 10480, 12640, 13100, 13624, 15800, 16432, 16640, 16768, 17030, 20224, 20540, 20698, 20800, 20960, 25280, 25675, 26200, 27248, 31600, 32864, 33536, 34060, 41080, 41396, 41600, 41920, 42575, 50560, 51350, 51745, 52400, 54496, 63200, 65728, 68120, 82160, 82792, 83200, 83840, 85150, 101120, 102700, 103490, 104800, 108992, 126400, 131456, 134537, 136240, 164320, 165584, 167680, 170300, 205400, 206980, 209600, 217984, 252800, 258725, 262912, 269074, 272480, 328640, 331168, 340600, 410800, 413960, 419200, 435968, 505600, 517450, 538148, 544960, 657280, 662336, 672685, 681200, 821600, 827920, 838400, 1034900, 1076296, 1089920, 1314560, 1324672, 1345370, 1362400, 1643200, 1655840, 2069800, 2152592, 2179840, 2649344, 2690740, 2724800, 3286400, 3311680, 3363425, 4139600, 4305184, 5381480, 5449600, 6572800, 6623360, 6726850, 8279200, 8610368, 10762960, 10899200, 13246720, 13453700, 16558400, 17220736, 21525920, 26907400, 33116800, 34441472, 43051840, 53814800, 66233600, 86103680, 107629600, 172207360, 215259200, 430518400, 861036800]

約数ペア:

[(1, 861036800), (2, 430518400), (4, 215259200), (5, 172207360), (8, 107629600), (10, 86103680), (13, 66233600), (16, 53814800), (20, 43051840), (25, 34441472), (26, 33116800), (32, 26907400), (40, 21525920), (50, 17220736), (52, 16558400), (64, 13453700), (65, 13246720), (79, 10899200), (80, 10762960), (100, 8610368), (104, 8279200), (128, 6726850), (130, 6623360), (131, 6572800), (158, 5449600), (160, 5381480), (200, 4305184), (208, 4139600), (256, 3363425), (260, 3311680), (262, 3286400), (316, 2724800), (320, 2690740), (325, 2649344), (395, 2179840), (400, 2152592), (416, 2069800), (520, 1655840), (524, 1643200), (632, 1362400), (640, 1345370), (650, 1324672), (655, 1314560), (790, 1089920), (800, 1076296), (832, 1034900), (1027, 838400), (1040, 827920), (1048, 821600), (1264, 681200), (1280, 672685), (1300, 662336), (1310, 657280), (1580, 544960), (1600, 538148), (1664, 517450), (1703, 505600), (1975, 435968), (2054, 419200), (2080, 413960), (2096, 410800), (2528, 340600), (2600, 331168), (2620, 328640), (3160, 272480), (3200, 269074), (3275, 262912), (3328, 258725), (3406, 252800), (3950, 217984), (4108, 209600), (4160, 206980), (4192, 205400), (5056, 170300), (5135, 167680), (5200, 165584), (5240, 164320), (6320, 136240), (6400, 134537), (6550, 131456), (6812, 126400), (7900, 108992), (8216, 104800), (8320, 103490), (8384, 102700), (8515, 101120), (10112, 85150), (10270, 83840), (10349, 83200), (10400, 82792), (10480, 82160), (12640, 68120), (13100, 65728), (13624, 63200), (15800, 54496), (16432, 52400), (16640, 51745), (16768, 51350), (17030, 50560), (20224, 42575), (20540, 41920), (20698, 41600), (20800, 41396), (20960, 41080), (25280, 34060), (25675, 33536), (26200, 32864), (27248, 31600)]