188981280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{499}}^1$

素因数の和:783

約数の個数: 144

約数和(自身を含む): 648648000

約数和(自身を除く): 459666720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 263, 288, 360, 480, 499, 526, 720, 789, 998, 1052, 1315, 1440, 1497, 1578, 1996, 2104, 2367, 2495, 2630, 2994, 3156, 3945, 3992, 4208, 4491, 4734, 4990, 5260, 5988, 6312, 7485, 7890, 7984, 8416, 8982, 9468, 9980, 10520, 11835, 11976, 12624, 14970, 15780, 15968, 17964, 18936, 19960, 21040, 22455, 23670, 23952, 25248, 29940, 31560, 35928, 37872, 39920, 42080, 44910, 47340, 47904, 59880, 63120, 71856, 75744, 79840, 89820, 94680, 119760, 126240, 131237, 143712, 179640, 189360, 239520, 262474, 359280, 378720, 393711, 524948, 656185, 718560, 787422, 1049896, 1181133, 1312370, 1574844, 1968555, 2099792, 2362266, 2624740, 3149688, 3937110, 4199584, 4724532, 5249480, 5905665, 6299376, 7874220, 9449064, 10498960, 11811330, 12598752, 15748440, 18898128, 20997920, 23622660, 31496880, 37796256, 47245320, 62993760, 94490640, 188981280]

約数ペア:

[(1, 188981280), (2, 94490640), (3, 62993760), (4, 47245320), (5, 37796256), (6, 31496880), (8, 23622660), (9, 20997920), (10, 18898128), (12, 15748440), (15, 12598752), (16, 11811330), (18, 10498960), (20, 9449064), (24, 7874220), (30, 6299376), (32, 5905665), (36, 5249480), (40, 4724532), (45, 4199584), (48, 3937110), (60, 3149688), (72, 2624740), (80, 2362266), (90, 2099792), (96, 1968555), (120, 1574844), (144, 1312370), (160, 1181133), (180, 1049896), (240, 787422), (263, 718560), (288, 656185), (360, 524948), (480, 393711), (499, 378720), (526, 359280), (720, 262474), (789, 239520), (998, 189360), (1052, 179640), (1315, 143712), (1440, 131237), (1497, 126240), (1578, 119760), (1996, 94680), (2104, 89820), (2367, 79840), (2495, 75744), (2630, 71856), (2994, 63120), (3156, 59880), (3945, 47904), (3992, 47340), (4208, 44910), (4491, 42080), (4734, 39920), (4990, 37872), (5260, 35928), (5988, 31560), (6312, 29940), (7485, 25248), (7890, 23952), (7984, 23670), (8416, 22455), (8982, 21040), (9468, 19960), (9980, 18936), (10520, 17964), (11835, 15968), (11976, 15780), (12624, 14970)]