173978640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 180

約数和(自身を含む): 642544812

約数和(自身を除く): 468566172

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 264, 330, 360, 363, 396, 440, 484, 495, 528, 605, 660, 720, 726, 792, 880, 968, 990, 1089, 1210, 1320, 1452, 1584, 1815, 1936, 1980, 1997, 2178, 2420, 2640, 2904, 3630, 3960, 3994, 4356, 4840, 5445, 5808, 5991, 7260, 7920, 7988, 8712, 9680, 9985, 10890, 11982, 14520, 15976, 17424, 17973, 19970, 21780, 21967, 23964, 29040, 29955, 31952, 35946, 39940, 43560, 43934, 47928, 59910, 65901, 71892, 79880, 87120, 87868, 89865, 95856, 109835, 119820, 131802, 143784, 159760, 175736, 179730, 197703, 219670, 239640, 241637, 263604, 287568, 329505, 351472, 359460, 395406, 439340, 479280, 483274, 527208, 659010, 718920, 724911, 790812, 878680, 966548, 988515, 1054416, 1208185, 1318020, 1437840, 1449822, 1581624, 1757360, 1933096, 1977030, 2174733, 2416370, 2636040, 2899644, 3163248, 3624555, 3866192, 3954060, 4349466, 4832740, 5272080, 5799288, 7249110, 7908120, 8698932, 9665480, 10873665, 11598576, 14498220, 15816240, 17397864, 19330960, 21747330, 28996440, 34795728, 43494660, 57992880, 86989320, 173978640]

約数ペア:

[(1, 173978640), (2, 86989320), (3, 57992880), (4, 43494660), (5, 34795728), (6, 28996440), (8, 21747330), (9, 19330960), (10, 17397864), (11, 15816240), (12, 14498220), (15, 11598576), (16, 10873665), (18, 9665480), (20, 8698932), (22, 7908120), (24, 7249110), (30, 5799288), (33, 5272080), (36, 4832740), (40, 4349466), (44, 3954060), (45, 3866192), (48, 3624555), (55, 3163248), (60, 2899644), (66, 2636040), (72, 2416370), (80, 2174733), (88, 1977030), (90, 1933096), (99, 1757360), (110, 1581624), (120, 1449822), (121, 1437840), (132, 1318020), (144, 1208185), (165, 1054416), (176, 988515), (180, 966548), (198, 878680), (220, 790812), (240, 724911), (242, 718920), (264, 659010), (330, 527208), (360, 483274), (363, 479280), (396, 439340), (440, 395406), (484, 359460), (495, 351472), (528, 329505), (605, 287568), (660, 263604), (720, 241637), (726, 239640), (792, 219670), (880, 197703), (968, 179730), (990, 175736), (1089, 159760), (1210, 143784), (1320, 131802), (1452, 119820), (1584, 109835), (1815, 95856), (1936, 89865), (1980, 87868), (1997, 87120), (2178, 79880), (2420, 71892), (2640, 65901), (2904, 59910), (3630, 47928), (3960, 43934), (3994, 43560), (4356, 39940), (4840, 35946), (5445, 31952), (5808, 29955), (5991, 29040), (7260, 23964), (7920, 21967), (7988, 21780), (8712, 19970), (9680, 17973), (9985, 17424), (10890, 15976), (11982, 14520)]