156984460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1279}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 368686080

約数和(自身を除く): 211701620

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 361, 380, 646, 722, 1279, 1292, 1444, 1615, 1805, 2558, 3230, 3610, 5116, 6137, 6395, 6460, 7220, 12274, 12790, 21743, 24301, 24548, 25580, 30685, 43486, 48602, 61370, 86972, 97204, 108715, 121505, 122740, 217430, 243010, 413117, 434860, 461719, 486020, 826234, 923438, 1652468, 1846876, 2065585, 2308595, 4131170, 4617190, 7849223, 8262340, 9234380, 15698446, 31396892, 39246115, 78492230, 156984460]

約数ペア:

[(1, 156984460), (2, 78492230), (4, 39246115), (5, 31396892), (10, 15698446), (17, 9234380), (19, 8262340), (20, 7849223), (34, 4617190), (38, 4131170), (68, 2308595), (76, 2065585), (85, 1846876), (95, 1652468), (170, 923438), (190, 826234), (323, 486020), (340, 461719), (361, 434860), (380, 413117), (646, 243010), (722, 217430), (1279, 122740), (1292, 121505), (1444, 108715), (1615, 97204), (1805, 86972), (2558, 61370), (3230, 48602), (3610, 43486), (5116, 30685), (6137, 25580), (6395, 24548), (6460, 24301), (7220, 21743), (12274, 12790)]