31496080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5113}}^1$

素因数の和:5144

約数の個数: 80

約数和(自身を含む): 91315584

約数和(自身を除く): 59819504

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 5113, 6160, 10226, 20452, 25565, 35791, 40904, 51130, 56243, 71582, 81808, 102260, 112486, 143164, 178955, 204520, 224972, 281215, 286328, 357910, 393701, 409040, 449944, 562430, 572656, 715820, 787402, 899888, 1124860, 1431640, 1574804, 1968505, 2249720, 2863280, 3149608, 3937010, 4499440, 6299216, 7874020, 15748040, 31496080]

約数ペア:

[(1, 31496080), (2, 15748040), (4, 7874020), (5, 6299216), (7, 4499440), (8, 3937010), (10, 3149608), (11, 2863280), (14, 2249720), (16, 1968505), (20, 1574804), (22, 1431640), (28, 1124860), (35, 899888), (40, 787402), (44, 715820), (55, 572656), (56, 562430), (70, 449944), (77, 409040), (80, 393701), (88, 357910), (110, 286328), (112, 281215), (140, 224972), (154, 204520), (176, 178955), (220, 143164), (280, 112486), (308, 102260), (385, 81808), (440, 71582), (560, 56243), (616, 51130), (770, 40904), (880, 35791), (1232, 25565), (1540, 20452), (3080, 10226), (5113, 6160)]