9931278080

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:654

約数の個数: 144

約数和(自身を含む): 24174796800

約数和(自身を除く): 14243518720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 199, 254, 256, 307, 320, 398, 508, 614, 635, 640, 796, 995, 1016, 1228, 1270, 1280, 1535, 1592, 1990, 2032, 2456, 2540, 3070, 3184, 3980, 4064, 4912, 5080, 6140, 6368, 7960, 8128, 9824, 10160, 12280, 12736, 15920, 16256, 19648, 20320, 24560, 25273, 25472, 31840, 32512, 38989, 39296, 40640, 49120, 50546, 50944, 61093, 63680, 77978, 78592, 81280, 98240, 101092, 122186, 126365, 127360, 155956, 162560, 194945, 196480, 202184, 244372, 252730, 254720, 305465, 311912, 389890, 392960, 404368, 488744, 505460, 610930, 623824, 779780, 808736, 977488, 1010920, 1221860, 1247648, 1559560, 1617472, 1954976, 2021840, 2443720, 2495296, 3119120, 3234944, 3909952, 4043680, 4887440, 4990592, 6238240, 6469888, 7758811, 7819904, 8087360, 9774880, 9981184, 12476480, 15517622, 15639808, 16174720, 19549760, 24952960, 31035244, 32349440, 38794055, 39099520, 49905920, 62070488, 77588110, 78199040, 124140976, 155176220, 248281952, 310352440, 496563904, 620704880, 993127808, 1241409760, 1986255616, 2482819520, 4965639040, 9931278080]

約数ペア:

[(1, 9931278080), (2, 4965639040), (4, 2482819520), (5, 1986255616), (8, 1241409760), (10, 993127808), (16, 620704880), (20, 496563904), (32, 310352440), (40, 248281952), (64, 155176220), (80, 124140976), (127, 78199040), (128, 77588110), (160, 62070488), (199, 49905920), (254, 39099520), (256, 38794055), (307, 32349440), (320, 31035244), (398, 24952960), (508, 19549760), (614, 16174720), (635, 15639808), (640, 15517622), (796, 12476480), (995, 9981184), (1016, 9774880), (1228, 8087360), (1270, 7819904), (1280, 7758811), (1535, 6469888), (1592, 6238240), (1990, 4990592), (2032, 4887440), (2456, 4043680), (2540, 3909952), (3070, 3234944), (3184, 3119120), (3980, 2495296), (4064, 2443720), (4912, 2021840), (5080, 1954976), (6140, 1617472), (6368, 1559560), (7960, 1247648), (8128, 1221860), (9824, 1010920), (10160, 977488), (12280, 808736), (12736, 779780), (15920, 623824), (16256, 610930), (19648, 505460), (20320, 488744), (24560, 404368), (25273, 392960), (25472, 389890), (31840, 311912), (32512, 305465), (38989, 254720), (39296, 252730), (40640, 244372), (49120, 202184), (50546, 196480), (50944, 194945), (61093, 162560), (63680, 155956), (77978, 127360), (78592, 126365), (81280, 122186), (98240, 101092)]