21787375360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1\times {\mathrm{743}}^1$

素因数の和:1534

約数の個数: 144

約数和(自身を含む): 54016542720

約数和(自身を除く): 32229167360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 739, 743, 992, 1240, 1280, 1478, 1486, 1984, 2480, 2956, 2972, 3695, 3715, 3968, 4960, 5912, 5944, 7390, 7430, 7936, 9920, 11824, 11888, 14780, 14860, 19840, 22909, 23033, 23648, 23776, 29560, 29720, 39680, 45818, 46066, 47296, 47552, 59120, 59440, 91636, 92132, 94592, 95104, 114545, 115165, 118240, 118880, 183272, 184264, 189184, 190208, 229090, 230330, 236480, 237760, 366544, 368528, 458180, 460660, 472960, 475520, 549077, 733088, 737056, 916360, 921320, 945920, 951040, 1098154, 1466176, 1474112, 1832720, 1842640, 2196308, 2745385, 2932352, 2948224, 3665440, 3685280, 4392616, 5490770, 5864704, 5896448, 7330880, 7370560, 8785232, 10981540, 14661760, 14741120, 17021387, 17570464, 21963080, 29323520, 29482240, 34042774, 35140928, 43926160, 68085548, 70281856, 85106935, 87852320, 136171096, 140563712, 170213870, 175704640, 272342192, 340427740, 351409280, 544684384, 680855480, 702818560, 1089368768, 1361710960, 2178737536, 2723421920, 4357475072, 5446843840, 10893687680, 21787375360]

約数ペア:

[(1, 21787375360), (2, 10893687680), (4, 5446843840), (5, 4357475072), (8, 2723421920), (10, 2178737536), (16, 1361710960), (20, 1089368768), (31, 702818560), (32, 680855480), (40, 544684384), (62, 351409280), (64, 340427740), (80, 272342192), (124, 175704640), (128, 170213870), (155, 140563712), (160, 136171096), (248, 87852320), (256, 85106935), (310, 70281856), (320, 68085548), (496, 43926160), (620, 35140928), (640, 34042774), (739, 29482240), (743, 29323520), (992, 21963080), (1240, 17570464), (1280, 17021387), (1478, 14741120), (1486, 14661760), (1984, 10981540), (2480, 8785232), (2956, 7370560), (2972, 7330880), (3695, 5896448), (3715, 5864704), (3968, 5490770), (4960, 4392616), (5912, 3685280), (5944, 3665440), (7390, 2948224), (7430, 2932352), (7936, 2745385), (9920, 2196308), (11824, 1842640), (11888, 1832720), (14780, 1474112), (14860, 1466176), (19840, 1098154), (22909, 951040), (23033, 945920), (23648, 921320), (23776, 916360), (29560, 737056), (29720, 733088), (39680, 549077), (45818, 475520), (46066, 472960), (47296, 460660), (47552, 458180), (59120, 368528), (59440, 366544), (91636, 237760), (92132, 236480), (94592, 230330), (95104, 229090), (114545, 190208), (115165, 189184), (118240, 184264), (118880, 183272)]