71956240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 178796592

約数和(自身を除く): 106840352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 272, 314, 337, 340, 628, 674, 680, 785, 1256, 1348, 1360, 1570, 1685, 2512, 2669, 2696, 3140, 3370, 5338, 5392, 5729, 6280, 6740, 10676, 11458, 12560, 13345, 13480, 21352, 22916, 26690, 26960, 28645, 42704, 45832, 52909, 53380, 57290, 91664, 105818, 106760, 114580, 211636, 213520, 229160, 264545, 423272, 458320, 529090, 846544, 899453, 1058180, 1798906, 2116360, 3597812, 4232720, 4497265, 7195624, 8994530, 14391248, 17989060, 35978120, 71956240]

約数ペア:

[(1, 71956240), (2, 35978120), (4, 17989060), (5, 14391248), (8, 8994530), (10, 7195624), (16, 4497265), (17, 4232720), (20, 3597812), (34, 2116360), (40, 1798906), (68, 1058180), (80, 899453), (85, 846544), (136, 529090), (157, 458320), (170, 423272), (272, 264545), (314, 229160), (337, 213520), (340, 211636), (628, 114580), (674, 106760), (680, 105818), (785, 91664), (1256, 57290), (1348, 53380), (1360, 52909), (1570, 45832), (1685, 42704), (2512, 28645), (2669, 26960), (2696, 26690), (3140, 22916), (3370, 21352), (5338, 13480), (5392, 13345), (5729, 12560), (6280, 11458), (6740, 10676)]