72331840

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{659}}^1$

素因数の和:697

約数の個数: 112

約数和(自身を含む): 201168000

約数和(自身を除く): 128836160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 659, 686, 784, 980, 1120, 1318, 1372, 1568, 1715, 1960, 2240, 2636, 2744, 3136, 3295, 3430, 3920, 4613, 5272, 5488, 6590, 6860, 7840, 9226, 10544, 10976, 13180, 13720, 15680, 18452, 21088, 21952, 23065, 26360, 27440, 32291, 36904, 42176, 46130, 52720, 54880, 64582, 73808, 92260, 105440, 109760, 129164, 147616, 161455, 184520, 210880, 226037, 258328, 295232, 322910, 369040, 452074, 516656, 645820, 738080, 904148, 1033312, 1130185, 1291640, 1476160, 1808296, 2066624, 2260370, 2583280, 3616592, 4520740, 5166560, 7233184, 9041480, 10333120, 14466368, 18082960, 36165920, 72331840]

約数ペア:

[(1, 72331840), (2, 36165920), (4, 18082960), (5, 14466368), (7, 10333120), (8, 9041480), (10, 7233184), (14, 5166560), (16, 4520740), (20, 3616592), (28, 2583280), (32, 2260370), (35, 2066624), (40, 1808296), (49, 1476160), (56, 1291640), (64, 1130185), (70, 1033312), (80, 904148), (98, 738080), (112, 645820), (140, 516656), (160, 452074), (196, 369040), (224, 322910), (245, 295232), (280, 258328), (320, 226037), (343, 210880), (392, 184520), (448, 161455), (490, 147616), (560, 129164), (659, 109760), (686, 105440), (784, 92260), (980, 73808), (1120, 64582), (1318, 54880), (1372, 52720), (1568, 46130), (1715, 42176), (1960, 36904), (2240, 32291), (2636, 27440), (2744, 26360), (3136, 23065), (3295, 21952), (3430, 21088), (3920, 18452), (4613, 15680), (5272, 13720), (5488, 13180), (6590, 10976), (6860, 10544), (7840, 9226)]