19954612800

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{22717}}^1$

素因数の和:22806

約数の個数: 252

約数和(自身を含む): 72089257396

約数和(自身を除く): 52134644596

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 61, 64, 72, 75, 80, 90, 96, 100, 120, 122, 144, 150, 160, 180, 183, 192, 200, 225, 240, 244, 288, 300, 305, 320, 360, 366, 400, 450, 480, 488, 549, 576, 600, 610, 720, 732, 800, 900, 915, 960, 976, 1098, 1200, 1220, 1440, 1464, 1525, 1600, 1800, 1830, 1952, 2196, 2400, 2440, 2745, 2880, 2928, 3050, 3600, 3660, 3904, 4392, 4575, 4800, 4880, 5490, 5856, 6100, 7200, 7320, 8784, 9150, 9760, 10980, 11712, 12200, 13725, 14400, 14640, 17568, 18300, 19520, 21960, 22717, 24400, 27450, 29280, 35136, 36600, 43920, 45434, 48800, 54900, 58560, 68151, 73200, 87840, 90868, 97600, 109800, 113585, 136302, 146400, 175680, 181736, 204453, 219600, 227170, 272604, 292800, 340755, 363472, 408906, 439200, 454340, 545208, 567925, 681510, 726944, 817812, 878400, 908680, 1022265, 1090416, 1135850, 1363020, 1385737, 1453888, 1635624, 1703775, 1817360, 2044530, 2180832, 2271700, 2726040, 2771474, 3271248, 3407550, 3634720, 4089060, 4157211, 4361664, 4543400, 5111325, 5452080, 5542948, 6542496, 6815100, 6928685, 7269440, 8178120, 8314422, 9086800, 10222650, 10904160, 11085896, 12471633, 13084992, 13630200, 13857370, 16356240, 16628844, 18173600, 20445300, 20786055, 21808320, 22171792, 24943266, 27260400, 27714740, 32712480, 33257688, 34643425, 36347200, 40890600, 41572110, 44343584, 49886532, 54520800, 55429480, 62358165, 65424960, 66515376, 69286850, 81781200, 83144220, 88687168, 99773064, 103930275, 109041600, 110858960, 124716330, 133030752, 138573700, 163562400, 166288440, 199546128, 207860550, 221717920, 249432660, 266061504, 277147400, 311790825, 327124800, 332576880, 399092256, 415721100, 443435840, 498865320, 554294800, 623581650, 665153760, 798184512, 831442200, 997730640, 1108589600, 1247163300, 1330307520, 1662884400, 1995461280, 2217179200, 2494326600, 3325768800, 3990922560, 4988653200, 6651537600, 9977306400, 19954612800]

約数ペア:

[(1, 19954612800), (2, 9977306400), (3, 6651537600), (4, 4988653200), (5, 3990922560), (6, 3325768800), (8, 2494326600), (9, 2217179200), (10, 1995461280), (12, 1662884400), (15, 1330307520), (16, 1247163300), (18, 1108589600), (20, 997730640), (24, 831442200), (25, 798184512), (30, 665153760), (32, 623581650), (36, 554294800), (40, 498865320), (45, 443435840), (48, 415721100), (50, 399092256), (60, 332576880), (61, 327124800), (64, 311790825), (72, 277147400), (75, 266061504), (80, 249432660), (90, 221717920), (96, 207860550), (100, 199546128), (120, 166288440), (122, 163562400), (144, 138573700), (150, 133030752), (160, 124716330), (180, 110858960), (183, 109041600), (192, 103930275), (200, 99773064), (225, 88687168), (240, 83144220), (244, 81781200), (288, 69286850), (300, 66515376), (305, 65424960), (320, 62358165), (360, 55429480), (366, 54520800), (400, 49886532), (450, 44343584), (480, 41572110), (488, 40890600), (549, 36347200), (576, 34643425), (600, 33257688), (610, 32712480), (720, 27714740), (732, 27260400), (800, 24943266), (900, 22171792), (915, 21808320), (960, 20786055), (976, 20445300), (1098, 18173600), (1200, 16628844), (1220, 16356240), (1440, 13857370), (1464, 13630200), (1525, 13084992), (1600, 12471633), (1800, 11085896), (1830, 10904160), (1952, 10222650), (2196, 9086800), (2400, 8314422), (2440, 8178120), (2745, 7269440), (2880, 6928685), (2928, 6815100), (3050, 6542496), (3600, 5542948), (3660, 5452080), (3904, 5111325), (4392, 4543400), (4575, 4361664), (4800, 4157211), (4880, 4089060), (5490, 3634720), (5856, 3407550), (6100, 3271248), (7200, 2771474), (7320, 2726040), (8784, 2271700), (9150, 2180832), (9760, 2044530), (10980, 1817360), (11712, 1703775), (12200, 1635624), (13725, 1453888), (14400, 1385737), (14640, 1363020), (17568, 1135850), (18300, 1090416), (19520, 1022265), (21960, 908680), (22717, 878400), (24400, 817812), (27450, 726944), (29280, 681510), (35136, 567925), (36600, 545208), (43920, 454340), (45434, 439200), (48800, 408906), (54900, 363472), (58560, 340755), (68151, 292800), (73200, 272604), (87840, 227170), (90868, 219600), (97600, 204453), (109800, 181736), (113585, 175680), (136302, 146400)]