72390640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 199741680

約数和(自身を除く): 127351040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 196, 236, 245, 280, 295, 313, 392, 413, 472, 490, 560, 590, 626, 784, 826, 944, 980, 1180, 1252, 1565, 1652, 1960, 2065, 2191, 2360, 2504, 2891, 3130, 3304, 3920, 4130, 4382, 4720, 5008, 5782, 6260, 6608, 8260, 8764, 10955, 11564, 12520, 14455, 15337, 16520, 17528, 18467, 21910, 23128, 25040, 28910, 30674, 33040, 35056, 36934, 43820, 46256, 57820, 61348, 73868, 76685, 87640, 92335, 115640, 122696, 129269, 147736, 153370, 175280, 184670, 231280, 245392, 258538, 295472, 306740, 369340, 517076, 613480, 646345, 738680, 904883, 1034152, 1226960, 1292690, 1477360, 1809766, 2068304, 2585380, 3619532, 4524415, 5170760, 7239064, 9048830, 10341520, 14478128, 18097660, 36195320, 72390640]

約数ペア:

[(1, 72390640), (2, 36195320), (4, 18097660), (5, 14478128), (7, 10341520), (8, 9048830), (10, 7239064), (14, 5170760), (16, 4524415), (20, 3619532), (28, 2585380), (35, 2068304), (40, 1809766), (49, 1477360), (56, 1292690), (59, 1226960), (70, 1034152), (80, 904883), (98, 738680), (112, 646345), (118, 613480), (140, 517076), (196, 369340), (236, 306740), (245, 295472), (280, 258538), (295, 245392), (313, 231280), (392, 184670), (413, 175280), (472, 153370), (490, 147736), (560, 129269), (590, 122696), (626, 115640), (784, 92335), (826, 87640), (944, 76685), (980, 73868), (1180, 61348), (1252, 57820), (1565, 46256), (1652, 43820), (1960, 36934), (2065, 35056), (2191, 33040), (2360, 30674), (2504, 28910), (2891, 25040), (3130, 23128), (3304, 21910), (3920, 18467), (4130, 17528), (4382, 16520), (4720, 15337), (5008, 14455), (5782, 12520), (6260, 11564), (6608, 10955), (8260, 8764)]